30533252 has 18 divisors (see below), whose sum is σ = 53960634. Its totient is φ = 15117120.

The previous prime is 30533249. The next prime is 30533281. The reversal of 30533252 is 25233503.

It can be written as a sum of positive squares in 3 ways, for example, as 5692996 + 24840256 = 2386^2 + 4984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130928 + ... + 131160.

It is an arithmetic number, because the mean of its divisors is an integer number (2997813).

Almost surely, 2^30533252 is an apocalyptic number.

It is an amenable number.

30533252 is a deficient number, since it is larger than the sum of its proper divisors (23427382).

30533252 is a wasteful number, since it uses less digits than its factorization.

30533252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 30533252 is about 5525.6901831355. The cubic root of 30533252 is about 312.5534910034.

Adding to 30533252 its reverse (25233503), we get a palindrome (55766755).

The spelling of 30533252 in words is "thirty million, five hundred thirty-three thousand, two hundred fifty-two".