Hecho general: 6247 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 6247 is a boring number.
Trivia: 6247 is an unremarkable number.
Fecha histórica: February 6th is the day in 1851 that the largest Australian bushfires in a populous region in recorded history take place in the state of Victoria.