25212036 has 12 divisors (see below), whose sum is σ = 58828112. Its totient is φ = 8404008.

The previous prime is 25212023. The next prime is 25212041. The reversal of 25212036 is 63021252.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1050490 + ... + 1050513.

Almost surely, 2^25212036 is an apocalyptic number.

It is an amenable number.

25212036 is an abundant number, since it is smaller than the sum of its proper divisors (33616076).

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

25212036 is a wasteful number, since it uses less digits than its factorization.

25212036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101010 (or 2101008 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25212036 is about 5021.1588303897. The cubic root of 25212036 is about 293.2261103751.

Adding to 25212036 its reverse (63021252), we get a palindrome (88233288).

The spelling of 25212036 in words is "twenty-five million, two hundred twelve thousand, thirty-six".