Fatto generale: 8375 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 8375 is the smallest number which has equal numbers of every digit in bases 2 and 6.
Trivia: 8375 is an uninteresting number.
Data storica: December 5th is the day in 1958 that Subscriber Trunk Dialling (STD) is inaugurated in the UK by Queen Elizabeth II when she speaks to the Lord Provost in a call from Bristol to Edinburgh.