Fait général: 5291 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5291 is a value of n for which n(n+1) is a palindrome.
Culture générale: 5291 is a boring number.
Date historique: June 26th is the day in 1955 that the South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown.