Fait général: 71253 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 71253 is an uninteresting number.
Culture générale: 71253 is a boring number.
Date historique: January 30th is the day in 1982 that Richard Skrenta writes the first PC virus code, which is 400 lines long and disguised as an Apple boot program called "Elk Cloner".