25610868 has 36 divisors (see below), whose sum is σ = 67555488. Its totient is φ = 8165520.

The previous prime is 25610863. The next prime is 25610887. The reversal of 25610868 is 86801652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25610863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14638 + ... + 16293.

Almost surely, 2^25610868 is an apocalyptic number.

It is an amenable number.

25610868 is an abundant number, since it is smaller than the sum of its proper divisors (41944620).

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

25610868 is a wasteful number, since it uses less digits than its factorization.

25610868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964 (or 30959 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25610868 is about 5060.7181308585. The cubic root of 25610868 is about 294.7642202973.

The spelling of 25610868 in words is "twenty-five million, six hundred ten thousand, eight hundred sixty-eight".