25530916 has 12 divisors (see below), whose sum is σ = 44715888. Its totient is φ = 12754952.

The previous prime is 25530913. The next prime is 25530941. The reversal of 25530916 is 61903552.

It is not an unprimeable number, because it can be changed into a prime (25530913) 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, 5955 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (3726324).

Almost surely, 2^25530916 is an apocalyptic number.

It is an amenable number.

25530916 is a deficient number, since it is larger than the sum of its proper divisors (19184972).

25530916 is a wasteful number, since it uses less digits than its factorization.

25530916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258 (or 5256 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 25530916 is about 5052.8126820613. The cubic root of 25530916 is about 294.4571689397.

The spelling of 25530916 in words is "twenty-five million, five hundred thirty thousand, nine hundred sixteen".