Hecho matemático: 2587 is a value of n for which f(n) + f(n+1) divides s(n) + s(n+1).
Trivia: 2587 is an uninteresting number.
Fecha histórica: January 30th is the day in 1982 that Richard Skrenta writes the first PC virus code, which is 400 lines long and disguised as an Apple boot program called "Elk Cloner".