25300030 has 64 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 8236800.

The previous prime is 25300021. The next prime is 25300049. The reversal of 25300030 is 3000352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193065 + ... + 193195.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^25300030 is an apocalyptic number.

25300030 is an abundant number, since it is smaller than the sum of its proper divisors (29443010).

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

25300030 is a wasteful number, since it uses less digits than its factorization.

25300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 25300030 is about 5029.9135181432. The cubic root of 25300030 is about 293.5668494646.

Adding to 25300030 its reverse (3000352), we get a palindrome (28300382).

The spelling of 25300030 in words is "twenty-five million, three hundred thousand, thirty".