25274256 has 160 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 6594048.

The previous prime is 25274251. The next prime is 25274261. The reversal of 25274256 is 65247252.

It is an interprime number because it is at equal distance from previous prime (25274251) and next prime (25274261).

Its product of digits (33600) is a multiple of the sum of its prime divisors (175).

It is not an unprimeable number, because it can be changed into a prime (25274251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236155 + ... + 236261.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

Almost surely, 2^25274256 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 25274256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40711680).

25274256 is an abundant number, since it is smaller than the sum of its proper divisors (56149104).

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

25274256 is a wasteful number, since it uses less digits than its factorization.

25274256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 25274256 is about 5027.3507934100. The cubic root of 25274256 is about 293.4671267526.

The spelling of 25274256 in words is "twenty-five million, two hundred seventy-four thousand, two hundred fifty-six".