Hecho general: 25 is the number of years of marriage marked in a silver wedding anniversary.
Hecho matemático: 25 is an aliquot sum of 6 and number 6 is the first (or smallest) number to have an aliquot sequence that does not culminate in 0 through a prime.
Trivia: 25 is the size of the full roster on a Major League Baseball team for most of the season, except for regular-season games on or after September 1, when teams may expand their roster to no more than 40 players.
Fecha histórica: January 25th is the day in 1937 that the Guiding Light debuts on NBC radio from Chicago.