Fatto generale: 24517 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 24517 is an uninteresting number.
Trivia: 24517 is an unremarkable number.
Data storica: February 14th is the day in 1924 that the Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM).