25130232 has 48 divisors (see below), whose sum is σ = 69652440. Its totient is φ = 8180928.

The previous prime is 25130219. The next prime is 25130239. The reversal of 25130232 is 23203152.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963 + ... + 7154.

Almost surely, 2^25130232 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 25130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34826220).

25130232 is an abundant number, since it is smaller than the sum of its proper divisors (44522208).

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

25130232 is a wasteful number, since it uses less digits than its factorization.

25130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172 (or 8165 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25130232 is about 5013.0062836585. The cubic root of 25130232 is about 292.9086289581.

Adding to 25130232 its reverse (23203152), we get a palindrome (48333384).

The spelling of 25130232 in words is "twenty-five million, one hundred thirty thousand, two hundred thirty-two".