25004303256 has 32 divisors (see below), whose sum is σ = 66187862640. Its totient is φ = 7844487168.

The previous prime is 25004303231. The next prime is 25004303257. The reversal of 25004303256 is 65230340052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004303257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30642121 + ... + 30642936.

Almost surely, 2^25004303256 is an apocalyptic number.

It is an amenable number.

25004303256 is an abundant number, since it is smaller than the sum of its proper divisors (41183559384).

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

25004303256 is a wasteful number, since it uses less digits than its factorization.

25004303256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61285083 (or 61285079 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 25004303256 in words is "twenty-five billion, four million, three hundred three thousand, two hundred fifty-six".