Fait mathématique: 25637 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 25637 is an uninteresting number.
Date historique: March 10th is the day in 1945 that the U.S. Army Air Force firebombs Tokyo, and the resulting firestorm kills more than 100,000 people, mostly civilians.