25641160 has 32 divisors (see below), whose sum is σ = 58231800. Its totient is φ = 10160640.

The previous prime is 25641157. The next prime is 25641163. The reversal of 25641160 is 6114652.

It is an interprime number because it is at equal distance from previous prime (25641157) and next prime (25641163).

It can be written as a sum of positive squares in 4 ways, for example, as 24820324 + 820836 = 4982^2 + 906^2 .

It is a super-2 number, since 2×25641160² = 1314938172291200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25641163) 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, 1420 + ... + 7300.

Almost surely, 2^25641160 is an apocalyptic number.

25641160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25641160 is an abundant number, since it is smaller than the sum of its proper divisors (32590640).

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

25641160 is a wasteful number, since it uses less digits than its factorization.

25641160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25641160 is about 5063.7101022867. The cubic root of 25641160 is about 294.8803881644.

The spelling of 25641160 in words is "twenty-five million, six hundred forty-one thousand, one hundred sixty".