XXV

XXV is the Roman numeral for 25. It is formed by the letters X, X, and V, where X equals 10 and V equals 5; in additive notation XXV equals 10 + 10 + 5 = 25.

Historically, XXV has been used to mark years in Roman dating (for example, inscriptions referencing the year 25 of the Roman era) and to designate regnal or papal numbers when counting rulers (though the specific numeral would be appended to a name). In modern practice, Roman numerals including XXV appear on clock faces, in the titles of editions, and as numbering for chapters, lists, or volumes. They are also commonly used to indicate anniversaries, with XXV marking the 25th anniversary, typically associated with silver.

In addition to dates and numbering, XXV appears as a stylistic element in branding, art, and design. Its meaning remains the same—representing the number 25—but its use is guided by the surrounding context, whether to denote a year, a sequence, or a commemorative edition.

See also: Roman numerals.