25121252 has 24 divisors (see below), whose sum is σ = 47482176. Its totient is φ = 11560608.

The previous prime is 25121237. The next prime is 25121263. The reversal of 25121252 is 25212152.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30113 + ... + 30935.

It is an arithmetic number, because the mean of its divisors is an integer number (1978424).

Almost surely, 2^25121252 is an apocalyptic number.

It is an amenable number.

25121252 is a deficient number, since it is larger than the sum of its proper divisors (22360924).

25121252 is a wasteful number, since it uses less digits than its factorization.

25121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1425 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 25121252 is about 5012.1105334978. The cubic root of 25121252 is about 292.8737356226.

The spelling of 25121252 in words is "twenty-five million, one hundred twenty-one thousand, two hundred fifty-two".