Fait général: 2587 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2587 is a value of n for which f(n) + f(n+1) divides s(n) + s(n+1).
Culture générale: 2587 is a boring number.
Date historique: January 30th is the day in 1975 that the Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.