25312628 has 24 divisors (see below), whose sum is σ = 48474720. Its totient is φ = 11469920.

The previous prime is 25312613. The next prime is 25312687. The reversal of 25312628 is 82621352.

It is a self number, because there is not a number n which added to its sum of digits gives 25312628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17750 + ... + 19122.

It is an arithmetic number, because the mean of its divisors is an integer number (2019780).

Almost surely, 2^25312628 is an apocalyptic number.

It is an amenable number.

25312628 is a deficient number, since it is larger than the sum of its proper divisors (23162092).

25312628 is a wasteful number, since it uses less digits than its factorization.

25312628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1805 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 25312628 is about 5031.1656701007. The cubic root of 25312628 is about 293.6155680034.

The spelling of 25312628 in words is "twenty-five million, three hundred twelve thousand, six hundred twenty-eight".