The number 25 can be expressed in English as "twenty-five." It is a composite number that comes after 24 and before 26. In Roman numerals, it is represented as XXV. The number 25 has various mathematical properties, such as being a square number, a Fibonacci number, and a Harshad number. In everyday life, 25 is often used to represent age milestones, such as a 25th birthday or a 25th anniversary. It can also refer to the 25th day of a month or the 25th item in a sequence. Overall, the number 25 is significant in many areas of life and has both numerical and symbolic meanings.