30660252 has 24 divisors (see below), whose sum is σ = 81760896. Its totient is φ = 8760048.

The previous prime is 30660241. The next prime is 30660257. The reversal of 30660252 is 25206603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660257) 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, 182418 + ... + 182585.

It is an arithmetic number, because the mean of its divisors is an integer number (3406704).

Almost surely, 2^30660252 is an apocalyptic number.

It is an amenable number.

30660252 is an abundant number, since it is smaller than the sum of its proper divisors (51100644).

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

30660252 is a wasteful number, since it uses less digits than its factorization.

30660252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365017 (or 365015 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30660252 is about 5537.1700353159. The cubic root of 30660252 is about 312.9862365378.

Adding to 30660252 its reverse (25206603), we get a palindrome (55866855).

The spelling of 30660252 in words is "thirty million, six hundred sixty thousand, two hundred fifty-two".