Fatto generale: 62451 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 62451 is an uninteresting number.
Trivia: 62451 is an unremarkable number.
Data storica: December 25th is the day in 1643 that Christmas Island found and named by Captain William Mynors of the East India Company vessel, the Royal Mary.