25766256 has 40 divisors (see below), whose sum is σ = 69459840. Its totient is φ = 8214976.

The previous prime is 25766249. The next prime is 25766269. The reversal of 25766256 is 65266752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10566 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (1736496).

Almost surely, 2^25766256 is an apocalyptic number.

It is an amenable number.

25766256 is an abundant number, since it is smaller than the sum of its proper divisors (43693584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25766256 is a wasteful number, since it uses less digits than its factorization.

25766256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373 (or 23367 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 25766256 is about 5076.0472811037. The cubic root of 25766256 is about 295.3591565431.

The spelling of 25766256 in words is "twenty-five million, seven hundred sixty-six thousand, two hundred fifty-six".