25710252 has 12 divisors (see below), whose sum is σ = 59990616. Its totient is φ = 8570080.

The previous prime is 25710229. The next prime is 25710263. The reversal of 25710252 is 25201752.

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

It is a super-2 number, since 2×25710252² = 1322034115807008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071249 + ... + 1071272.

It is an arithmetic number, because the mean of its divisors is an integer number (4999218).

Almost surely, 2^25710252 is an apocalyptic number.

It is an amenable number.

25710252 is an abundant number, since it is smaller than the sum of its proper divisors (34280364).

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

25710252 is a wasteful number, since it uses less digits than its factorization.

25710252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142528 (or 2142526 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 25710252 is about 5070.5277831800. The cubic root of 25710252 is about 295.1450096231.

The spelling of 25710252 in words is "twenty-five million, seven hundred ten thousand, two hundred fifty-two".