25668285 has 16 divisors (see below), whose sum is σ = 41591040. Its totient is φ = 13515840.

The previous prime is 25668263. The next prime is 25668287. The reversal of 25668285 is 58286652.

It is not a de Polignac number, because 25668285 - 2⁸ = 25668029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25668287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9646 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (2599440).

Almost surely, 2^25668285 is an apocalyptic number.

It is an amenable number.

25668285 is a deficient number, since it is larger than the sum of its proper divisors (15922755).

25668285 is a wasteful number, since it uses less digits than its factorization.

25668285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748.

The product of its digits is 230400, while the sum is 42.

The square root of 25668285 is about 5066.3877664466. The cubic root of 25668285 is about 294.9843331716.

The spelling of 25668285 in words is "twenty-five million, six hundred sixty-eight thousand, two hundred eighty-five".