25565316 has 24 divisors (see below), whose sum is σ = 68174400. Its totient is φ = 7304352.

The previous prime is 25565311. The next prime is 25565329. The reversal of 25565316 is 61356552.

It is not an unprimeable number, because it can be changed into a prime (25565311) 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, 152091 + ... + 152258.

It is an arithmetic number, because the mean of its divisors is an integer number (2840600).

Almost surely, 2^25565316 is an apocalyptic number.

It is an amenable number.

25565316 is an abundant number, since it is smaller than the sum of its proper divisors (42609084).

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

25565316 is a wasteful number, since it uses less digits than its factorization.

25565316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304363 (or 304361 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 25565316 is about 5056.2155808470. The cubic root of 25565316 is about 294.5893587476.

The spelling of 25565316 in words is "twenty-five million, five hundred sixty-five thousand, three hundred sixteen".