Fait général: 2575 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2575 is an uninteresting number.
Culture générale: 2575 is an uninteresting number.
Date historique: January 18th is the day in 1788 that the first elements of the First Fleet carrying 736 convicts from England to Australia arrives at Botany Bay.