25766525 has 12 divisors (see below), whose sum is σ = 32429472. Its totient is φ = 20304240.

The previous prime is 25766501. The next prime is 25766579. The reversal of 25766525 is 52566752.

It is not a de Polignac number, because 25766525 - 2⁸ = 25766269 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 6017 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (2702456).

Almost surely, 2^25766525 is an apocalyptic number.

25766525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25766525 is a deficient number, since it is larger than the sum of its proper divisors (6662947).

25766525 is a wasteful number, since it uses less digits than its factorization.

25766525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460 (or 15455 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 25766525 is about 5076.0737780296. The cubic root of 25766525 is about 295.3601843905.

The spelling of 25766525 in words is "twenty-five million, seven hundred sixty-six thousand, five hundred twenty-five".