Fait général: 81475 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 81475 is an unremarkable number.
Culture générale: 81475 is an uninteresting number.
Date historique: January 26th is the day in 1911 that Richard Strauss' opera Der Rosenkavalier receives its debut performance at the Dresden State Opera.