25500930 has 64 divisors (see below), whose sum is σ = 75333888. Its totient is φ = 5379840.

The previous prime is 25500929. The next prime is 25500967. The reversal of 25500930 is 3900552.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25500930.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1941 + ... + 7400.

It is an arithmetic number, because the mean of its divisors is an integer number (1177092).

Almost surely, 2^25500930 is an apocalyptic number.

25500930 is an abundant number, since it is smaller than the sum of its proper divisors (49832958).

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

25500930 is a wasteful number, since it uses less digits than its factorization.

25500930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 25500930 is about 5049.8445520630. The cubic root of 25500930 is about 294.3418440306.

The spelling of 25500930 in words is "twenty-five million, five hundred thousand, nine hundred thirty".