30515052 has 24 divisors (see below), whose sum is σ = 71766016. Its totient is φ = 10091088.

The previous prime is 30515039. The next prime is 30515053. The reversal of 30515052 is 25051503.

It is not an unprimeable number, because it can be changed into a prime (30515053) 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, 8488 + ... + 11535.

Almost surely, 2^30515052 is an apocalyptic number.

It is an amenable number.

30515052 is an abundant number, since it is smaller than the sum of its proper divisors (41250964).

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

30515052 is a wasteful number, since it uses less digits than its factorization.

30515052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20155 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 30515052 is about 5524.0430845532. The cubic root of 30515052 is about 312.4913772554.

Adding to 30515052 its reverse (25051503), we get a palindrome (55566555).

The spelling of 30515052 in words is "thirty million, five hundred fifteen thousand, fifty-two".