25695860 has 12 divisors (see below), whose sum is σ = 53961348. Its totient is φ = 10278336.

The previous prime is 25695851. The next prime is 25695893. The reversal of 25695860 is 6859652.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 16957924 = 2956^2 + 4118^2 .

It is a super-2 number, since 2×25695860² = 1320554442279200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 642377 + ... + 642416.

It is an arithmetic number, because the mean of its divisors is an integer number (4496779).

Almost surely, 2^25695860 is an apocalyptic number.

25695860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25695860 is an abundant number, since it is smaller than the sum of its proper divisors (28265488).

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

25695860 is a wasteful number, since it uses less digits than its factorization.

25695860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284802 (or 1284800 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 25695860 is about 5069.1084028653. The cubic root of 25695860 is about 295.0899275775.

The spelling of 25695860 in words is "twenty-five million, six hundred ninety-five thousand, eight hundred sixty".