25951156 has 48 divisors (see below), whose sum is σ = 57214080. Its totient is φ = 10005120.

The previous prime is 25951151. The next prime is 25951157. The reversal of 25951156 is 65115952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25951151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33186 + ... + 33958.

It is an arithmetic number, because the mean of its divisors is an integer number (1191960).

Almost surely, 2^25951156 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 25951156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28607040).

25951156 is an abundant number, since it is smaller than the sum of its proper divisors (31262924).

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

25951156 is a wasteful number, since it uses less digits than its factorization.

25951156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its digits is 13500, while the sum is 34.

The square root of 25951156 is about 5094.2277137953. The cubic root of 25951156 is about 296.0639775271.

It can be divided in two parts, 259 and 51156, that added together give a palindrome (51415).

The spelling of 25951156 in words is "twenty-five million, nine hundred fifty-one thousand, one hundred fifty-six".