25655012 has 24 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 12449600.

The previous prime is 25654987. The next prime is 25655017. The reversal of 25655012 is 21055652.

It is not an unprimeable number, because it can be changed into a prime (25655017) 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, 50753 + ... + 51255.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^25655012 is an apocalyptic number.

It is an amenable number.

25655012 is a deficient number, since it is larger than the sum of its proper divisors (20575900).

25655012 is a wasteful number, since it uses less digits than its factorization.

25655012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25655012 is about 5065.0776894338. The cubic root of 25655012 is about 294.9334792077.

The spelling of 25655012 in words is "twenty-five million, six hundred fifty-five thousand, twelve".