25318285 has 16 divisors (see below), whose sum is σ = 31954176. Its totient is φ = 19220608.

The previous prime is 25318277. The next prime is 25318303. The reversal of 25318285 is 58281352.

It is a cyclic number.

It is not a de Polignac number, because 25318285 - 2³ = 25318277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25318285.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14952 + ... + 16558.

It is an arithmetic number, because the mean of its divisors is an integer number (1997136).

Almost surely, 2^25318285 is an apocalyptic number.

It is an amenable number.

25318285 is a deficient number, since it is larger than the sum of its proper divisors (6635891).

25318285 is a wasteful number, since it uses less digits than its factorization.

25318285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its digits is 19200, while the sum is 34.

The square root of 25318285 is about 5031.7278344521. The cubic root of 25318285 is about 293.6374392943.

It can be divided in two parts, 2531 and 8285, that added together give a square (10816 = 104²).

The spelling of 25318285 in words is "twenty-five million, three hundred eighteen thousand, two hundred eighty-five".