Hecho general: 6592 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 6592 is a boring number.
Trivia: 6592 is an unremarkable number.
Fecha histórica: January 17th is the day in 1929 that Inayatullah Khan, king of the Emirate of Afghanistan abdicates the throne after only three days into his reign.