Fait général: 5187 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5187 is the only number n known for which f(n-1) = f(n) = f(n+1).
Culture générale: 5187 is a boring number.
Date historique: March 14th is the day in 1910 that Lakeview Gusher, the largest U.S. oil well gusher near Bakersfield, California, vented to atmosphere.