Fatto generale: 5152 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5152 is the number of legal rook moves in Chess.
Trivia: 5152 is a boring number.
Data storica: February 7th is the day in 1856 that the Kingdom of Awadh is annexed by the British East India Company and Wajid Ali Shah, the king of Awadh, is imprisoned and later exiled to Calcutta.