25225856 has 16 divisors (see below), whose sum is σ = 50254890. Its totient is φ = 12612864.

The previous prime is 25225843. The next prime is 25225867. The reversal of 25225856 is 65852252.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 8904256 = 4040^2 + 2984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98411 + ... + 98666.

Almost surely, 2^25225856 is an apocalyptic number.

It is an amenable number.

25225856 is a deficient number, since it is larger than the sum of its proper divisors (25029034).

25225856 is an equidigital number, since it uses as much as digits as its factorization.

25225856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197091 (or 197079 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 25225856 is about 5022.5348181969. The cubic root of 25225856 is about 293.2796779731.

The spelling of 25225856 in words is "twenty-five million, two hundred twenty-five thousand, eight hundred fifty-six".