25138234 has 24 divisors (see below), whose sum is σ = 41871060. Its totient is φ = 11309760.

The previous prime is 25138181. The next prime is 25138247. The reversal of 25138234 is 43283152.

It can be written as a sum of positive squares in 2 ways, for example, as 25050025 + 88209 = 5005^2 + 297^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25902 + ... + 26854.

Almost surely, 2^25138234 is an apocalyptic number.

25138234 is a deficient number, since it is larger than the sum of its proper divisors (16732826).

25138234 is a wasteful number, since it uses less digits than its factorization.

25138234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1075 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 25138234 is about 5013.8043440086. The cubic root of 25138234 is about 292.9397151033.

The spelling of 25138234 in words is "twenty-five million, one hundred thirty-eight thousand, two hundred thirty-four".