Fatto matematico: 6357 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 6357 is an unremarkable number.
Data storica: May 27th is the day in 1930 that the 1,046 feet (319 m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.