25401252 has 24 divisors (see below), whose sum is σ = 62389600. Its totient is φ = 8021376.

The previous prime is 25401227. The next prime is 25401253. The reversal of 25401252 is 25210452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25401253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55477 + ... + 55932.

Almost surely, 2^25401252 is an apocalyptic number.

It is an amenable number.

25401252 is an abundant number, since it is smaller than the sum of its proper divisors (36988348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25401252 is a wasteful number, since it uses less digits than its factorization.

25401252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111435 (or 111433 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25401252 is about 5039.9654760722. The cubic root of 25401252 is about 293.9578355933.

Subtracting from 25401252 its product of nonzero digits (800), we obtain a palindrome (25400452).

The spelling of 25401252 in words is "twenty-five million, four hundred one thousand, two hundred fifty-two".