25214256 has 90 divisors (see below), whose sum is σ = 73989188. Its totient is φ = 8015040.

The previous prime is 25214249. The next prime is 25214263. The reversal of 25214256 is 65241252.

It is an interprime number because it is at equal distance from previous prime (25214249) and next prime (25214263).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76011 + ... + 76341.

Almost surely, 2^25214256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25214256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36994594).

25214256 is an abundant number, since it is smaller than the sum of its proper divisors (48774932).

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

25214256 is a wasteful number, since it uses less digits than its factorization.

25214256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 359 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 25214256 is about 5021.3798900302. The cubic root of 25214256 is about 293.2347166199.

The spelling of 25214256 in words is "twenty-five million, two hundred fourteen thousand, two hundred fifty-six".