Fatto matematico: 2025 is a square that remains square if all its digits are incremented.
Trivia: 2025 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: July 17th is the day in 2009 that Jakarta double bombings at the JW Marriott and Ritz-Carlton Hotels killed 9 people including 4 foreigners.