25404252 has 48 divisors (see below), whose sum is σ = 62533632. Its totient is φ = 8015040.

The previous prime is 25404241. The next prime is 25404257. The reversal of 25404252 is 25240452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25404257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16758 + ... + 18210.

It is an arithmetic number, because the mean of its divisors is an integer number (1302784).

Almost surely, 2^25404252 is an apocalyptic number.

It is an amenable number.

25404252 is an abundant number, since it is smaller than the sum of its proper divisors (37129380).

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

25404252 is a wasteful number, since it uses less digits than its factorization.

25404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 25404252 is about 5040.2630883715. The cubic root of 25404252 is about 293.9694077104.

The spelling of 25404252 in words is "twenty-five million, four hundred four thousand, two hundred fifty-two".