25130304 has 56 divisors (see below), whose sum is σ = 73883520. Its totient is φ = 8376192.

The previous prime is 25130297. The next prime is 25130309. The reversal of 25130304 is 40303152.

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 (25130309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5544 + ... + 8999.

Almost surely, 2^25130304 is an apocalyptic number.

25130304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25130304 is an abundant number, since it is smaller than the sum of its proper divisors (48753216).

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

25130304 is a wasteful number, since it uses less digits than its factorization.

25130304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564 (or 14548 counting only the distinct ones).

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

The square root of 25130304 is about 5013.0134649729. The cubic root of 25130304 is about 292.9089086929.

Adding to 25130304 its reverse (40303152), we get a palindrome (65433456).

The spelling of 25130304 in words is "twenty-five million, one hundred thirty thousand, three hundred four".