25317532 has 12 divisors (see below), whose sum is σ = 44491216. Its totient is φ = 12605760.

The previous prime is 25317529. The next prime is 25317559. The reversal of 25317532 is 23571352.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25317532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12168 + ... + 14095.

Almost surely, 2^25317532 is an apocalyptic number.

It is an amenable number.

25317532 is a deficient number, since it is larger than the sum of its proper divisors (19173684).

25317532 is a wasteful number, since it uses less digits than its factorization.

25317532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26508 (or 26506 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 25317532 is about 5031.6530087040. The cubic root of 25317532 is about 293.6345282074.

Adding to 25317532 its reverse (23571352), we get a palindrome (48888884).

The spelling of 25317532 in words is "twenty-five million, three hundred seventeen thousand, five hundred thirty-two".