25628956 has 6 divisors (see below), whose sum is σ = 44850680. Its totient is φ = 12814476.

The previous prime is 25628947. The next prime is 25628983. The reversal of 25628956 is 65982652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203616 + ... + 3203623.

Almost surely, 2^25628956 is an apocalyptic number.

It is an amenable number.

25628956 is a deficient number, since it is larger than the sum of its proper divisors (19221724).

25628956 is a wasteful number, since it uses less digits than its factorization.

25628956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407243 (or 6407241 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 25628956 is about 5062.5049135779. The cubic root of 25628956 is about 294.8335976221.

The spelling of 25628956 in words is "twenty-five million, six hundred twenty-eight thousand, nine hundred fifty-six".