Hecho matemático: 6497 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 6497 is an unremarkable number.
Fecha histórica: October 14th is the day in 1981 that Vice President Hosni Mubarak is elected as the President of Egypt one week after the assassination of the President of Egypt, Anwar Sadat.