Fait mathématique: 2570 is the number of subsets of {1,2,3,...,14} that have an integer average.
Culture générale: 2570 is a boring number.
Date historique: January 13th is the day in 1435 that Sicut Dudum, forbidding the enslavement of black natives in Canary Islands by Spanish natives, is promulgated by Pope Eugene IV.