25642952 has 16 divisors (see below), whose sum is σ = 49632000. Its totient is φ = 12407760.

The previous prime is 25642949. The next prime is 25642957. The reversal of 25642952 is 25924652.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25642957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51452 + ... + 51947.

It is an arithmetic number, because the mean of its divisors is an integer number (3102000).

Almost surely, 2^25642952 is an apocalyptic number.

It is an amenable number.

25642952 is a deficient number, since it is larger than the sum of its proper divisors (23989048).

25642952 is a wasteful number, since it uses less digits than its factorization.

25642952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103436 (or 103432 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 25642952 is about 5063.8870445538. The cubic root of 25642952 is about 294.8872575019.

The spelling of 25642952 in words is "twenty-five million, six hundred forty-two thousand, nine hundred fifty-two".