25670560 has 24 divisors (see below), whose sum is σ = 60647076. Its totient is φ = 10268160.

The previous prime is 25670543. The next prime is 25670611. The reversal of 25670560 is 6507652.

It can be written as a sum of positive squares in 2 ways, for example, as 23853456 + 1817104 = 4884^2 + 1348^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80061 + ... + 80380.

Almost surely, 2^25670560 is an apocalyptic number.

25670560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25670560 is an abundant number, since it is smaller than the sum of its proper divisors (34976516).

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

25670560 is a wasteful number, since it uses less digits than its factorization.

25670560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160456 (or 160448 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 25670560 is about 5066.6122804099. The cubic root of 25670560 is about 294.9930478109.

The spelling of 25670560 in words is "twenty-five million, six hundred seventy thousand, five hundred sixty".