25632156 has 72 divisors (see below), whose sum is σ = 66734080. Its totient is φ = 7650720.

The previous prime is 25632151. The next prime is 25632161. The reversal of 25632156 is 65123652.

It is an interprime number because it is at equal distance from previous prime (25632151) and next prime (25632161).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184335 + ... + 184473.

Almost surely, 2^25632156 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 25632156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33367040).

25632156 is an abundant number, since it is smaller than the sum of its proper divisors (41101924).

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

25632156 is a wasteful number, since it uses less digits than its factorization.

25632156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 282 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 25632156 is about 5062.8209527891. The cubic root of 25632156 is about 294.8458679651.

The spelling of 25632156 in words is "twenty-five million, six hundred thirty-two thousand, one hundred fifty-six".