General fact: 4235 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4235 is an uninteresting number.
Trivia: 4235 is an unremarkable number.
Historical date: August 5th is the day in 1965 that the Indo-Pakistani War of 1965 begins as Pakistani soldiers cross the Line of Control dressed as locals.