25112430 has 160 divisors (see below), whose sum is σ = 79732224. Its totient is φ = 5552064.

The previous prime is 25112413. The next prime is 25112431. The reversal of 25112430 is 3421152.

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 (25112431) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 243759 + ... + 243861.

Almost surely, 2^25112430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25112430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39866112).

25112430 is an abundant number, since it is smaller than the sum of its proper divisors (54619794).

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

25112430 is a wasteful number, since it uses less digits than its factorization.

25112430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25112430 is about 5011.2303878389. The cubic root of 25112430 is about 292.8394481250.

Adding to 25112430 its reverse (3421152), we get a palindrome (28533582).

The spelling of 25112430 in words is "twenty-five million, one hundred twelve thousand, four hundred thirty".