25272256 has 14 divisors (see below), whose sum is σ = 50149760. Its totient is φ = 12636096.

The previous prime is 25272241. The next prime is 25272257. The reversal of 25272256 is 65227252.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25272257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197376 + ... + 197503.

Almost surely, 2^25272256 is an apocalyptic number.

It is an amenable number.

25272256 is a deficient number, since it is larger than the sum of its proper divisors (24877504).

25272256 is an equidigital number, since it uses as much as digits as its factorization.

25272256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394891 (or 394881 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 25272256 is about 5027.1518775545. The cubic root of 25272256 is about 293.4593856776.

The spelling of 25272256 in words is "twenty-five million, two hundred seventy-two thousand, two hundred fifty-six".