515230713 has 48 divisors (see below), whose sum is σ = 822721536. Its totient is φ = 321096960.

The previous prime is 515230711. The next prime is 515230721. The reversal of 515230713 is 317032515.

It is not a de Polignac number, because 515230713 - 2¹ = 515230711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788695 + ... + 789347.

It is an arithmetic number, because the mean of its divisors is an integer number (17140032).

Almost surely, 2^515230713 is an apocalyptic number.

It is an amenable number.

515230713 is a deficient number, since it is larger than the sum of its proper divisors (307490823).

515230713 is a wasteful number, since it uses less digits than its factorization.

515230713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 515230713 is about 22698.6940813783. The cubic root of 515230713 is about 801.6791361821.

The spelling of 515230713 in words is "five hundred fifteen million, two hundred thirty thousand, seven hundred thirteen".