Fait général: 61857 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 61857 is an uninteresting number.
Culture générale: 61857 is an uninteresting number.
Date historique: May 10th is the day in 1924 that J. Edgar Hoover is appointed the Director of the United States' Federal Bureau of Investigation, and remains so until his death in 1972.