25984256 has 18 divisors (see below), whose sum is σ = 51867522. Its totient is φ = 12992000.

The previous prime is 25984247. The next prime is 25984289. The reversal of 25984256 is 65248952.

It can be written as a sum of positive squares in only one way, i.e., 22886656 + 3097600 = 4784^2 + 1760^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50495 + ... + 51006.

It is an arithmetic number, because the mean of its divisors is an integer number (2881529).

Almost surely, 2^25984256 is an apocalyptic number.

It is an amenable number.

25984256 is a deficient number, since it is larger than the sum of its proper divisors (25883266).

25984256 is an equidigital number, since it uses as much as digits as its factorization.

25984256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101517 (or 101503 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 25984256 is about 5097.4754535947. The cubic root of 25984256 is about 296.1897979232.

The spelling of 25984256 in words is "twenty-five million, nine hundred eighty-four thousand, two hundred fifty-six".