25636252 has 6 divisors (see below), whose sum is σ = 44863448. Its totient is φ = 12818124.

The previous prime is 25636243. The next prime is 25636253. The reversal of 25636252 is 25263652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25636253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204528 + ... + 3204535.

Almost surely, 2^25636252 is an apocalyptic number.

It is an amenable number.

25636252 is a deficient number, since it is larger than the sum of its proper divisors (19227196).

25636252 is a wasteful number, since it uses less digits than its factorization.

25636252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409067 (or 6409065 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 25636252 is about 5063.2254541942. The cubic root of 25636252 is about 294.8615725142.

The spelling of 25636252 in words is "twenty-five million, six hundred thirty-six thousand, two hundred fifty-two".