25212038 has 4 divisors (see below), whose sum is σ = 37818060. Its totient is φ = 12606018.

The previous prime is 25212023. The next prime is 25212041. The reversal of 25212038 is 83021252.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25212038² = 1271293720226888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303008 + ... + 6303011.

It is an arithmetic number, because the mean of its divisors is an integer number (9454515).

Almost surely, 2^25212038 is an apocalyptic number.

25212038 is a deficient number, since it is larger than the sum of its proper divisors (12606022).

25212038 is a wasteful number, since it uses less digits than its factorization.

25212038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606021.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 25212038 is about 5021.1590295469. The cubic root of 25212038 is about 293.2261181287.

The spelling of 25212038 in words is "twenty-five million, two hundred twelve thousand, thirty-eight".