Hecho general: 5975 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5975 is a value of n for which s(n) = s(reverse(n)).
Trivia: 5975 is an unremarkable number.
Fecha histórica: May 10th is the day in 1981 that François Mitterrand wins the presidential election and becomes the first Socialist President of France in the French Fifth Republic.