The number "1253" is a four-digit integer that follows 1252 and precedes 1254. It is an even number, as it ends in a 3, and can be expressed in Roman numerals as MCCLIII. In mathematics, it can be factored into prime numbers, specifically 1253 = 1 × 1253, indicating that it is a prime number itself. In historical contexts, the year 1253 is notable for various events, including the establishment of the University of Paris as a significant center of learning. Additionally, it was during this time that the Mongol Empire was expanding, influencing many regions across Asia and Europe.