President Trump had congratulated President-elect Emmanuel Macron on his victory in the May 7th French presidential election.
In the final vote results from the interior ministry, Macron won 66.1 per cent of the vote against 33.9 per cent for Le Pen.
Morocco's King Mohammed VI in a congratulatory message to Macron, said partnership between Morocco and France, under the presidency of Macron, "will gain in depth and intensity".
French and European citizens wave flags and Europe's flags to celebrate the defeat of the Front National outside Eiffel Tower.
Announcing the changes, the movement's secretary general, Richard Ferrand, said the organization will be "a new political force" on the landscape redrawn by Macron's victory. Those detained were accused of offences ranging from throwing missiles at the police to damaging property. "Obviously the government elected after June 8th will be sitting down and talking to Monsieur Macron and others about how that system we have works for the benefit of France as well as the benefit of the United Kingdom", she said.
Mr Hamon, who gained popularity in recent years by leading a group of rebel Socialist lawmakers who opposed Mr Valls, was a distant fifth in the first round of the presidential election after garnering just over 6% of the votes, the Socialist Party's worst result since 1969.
2016 when Macron was economy minister, told RTL radio.More news: Trump decries Russian Federation probe as greatest witch hunt in United States history
U.S. President Donald Trump and French President-elect Emmanuel Macron will meet on the sidelines of the North Atlantic Treaty Organisation leaders meet in Brussels on 25 May, 2017.
Macron's victory is a relief for Germany, the main defender of the European Union against rising anti-establishment sentiment on the right and left of the political spectrum.
Indian Prime Minister Narendra Modi also hailed Macron's victory.
Macron also resigned as its president, as he takes on his new role as president of the republic. In interviews Monday, National Front officials said the party founded by her father would get a new name to try and draw in a broader spectrum of supporters. "Against this backdrop, overcoming mutual distrust and joining efforts to ensure worldwide stability and security is especially important", Putin's message to Macron read, according to the Kremlin.
In Britain, Prime Minister Theresa May said Macron's win makes it even more important for British voters to back her Conservatives in the early election she called for June 8, to strengthen Britain's hand in its divorce proceedings with the EU.
In midday trading, the CAC 40 index of leading French shares was down 1 percent at 5,379.