515230712 has 16 divisors (see below), whose sum is σ = 969910200. Its totient is φ = 256588000.

The previous prime is 515230711. The next prime is 515230721. The reversal of 515230712 is 217032515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515230711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126287 + ... + 130302.

Almost surely, 2^515230712 is an apocalyptic number.

It is an amenable number.

515230712 is a deficient number, since it is larger than the sum of its proper divisors (454679488).

515230712 is a wasteful number, since it uses less digits than its factorization.

515230712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256846 (or 256842 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 515230712 is about 22698.6940593506. The cubic root of 515230712 is about 801.6791356635.

The spelling of 515230712 in words is "five hundred fifteen million, two hundred thirty thousand, seven hundred twelve".