Fatto generale: 28425 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 28425 is a boring number.
Trivia: 28425 is an unremarkable number.
Data storica: October 27th is the day in 1838 that Missouri governor Lilburn Boggs issues the Extermination Order, which orders all Mormons to leave the state or be exterminated.