25756064 has 12 divisors (see below), whose sum is σ = 50707314. Its totient is φ = 12878016.

The previous prime is 25756057. The next prime is 25756099. The reversal of 25756064 is 46065752.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 8880400 = 4108^2 + 2980^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402407 + ... + 402470.

Almost surely, 2^25756064 is an apocalyptic number.

It is an amenable number.

25756064 is a deficient number, since it is larger than the sum of its proper divisors (24951250).

25756064 is an equidigital number, since it uses as much as digits as its factorization.

25756064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804887 (or 804879 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 25756064 is about 5075.0432510472. The cubic root of 25756064 is about 295.3202077008.

The spelling of 25756064 in words is "twenty-five million, seven hundred fifty-six thousand, sixty-four".