Hecho general: 2457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 2457 is an uninteresting number.
Trivia: 2457 is an uninteresting number.
Fecha histórica: September 22nd is the day in 1789 that Battle of Rymnik establishes Alexander Suvorov as a pre-eminent Russian military commander after his allied army defeat superior Ottoman Empire forces.