30525230 has 16 divisors (see below), whose sum is σ = 55491264. Its totient is φ = 12088800.

The previous prime is 30525223. The next prime is 30525241. The reversal of 30525230 is 3252503.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14102 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (3468204).

Almost surely, 2^30525230 is an apocalyptic number.

30525230 is a deficient number, since it is larger than the sum of its proper divisors (24966034).

30525230 is a wasteful number, since it uses less digits than its factorization.

30525230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30525230 is about 5524.9642532780. The cubic root of 30525230 is about 312.5261162174.

Adding to 30525230 its reverse (3252503), we get a palindrome (33777733).

The spelling of 30525230 in words is "thirty million, five hundred twenty-five thousand, two hundred thirty".