general_fact: 25399 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 25399 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 25399 is an uninteresting number.
historical_date: July 15th is the day in 1888 that the stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.