512513013 has 4 divisors (see below), whose sum is σ = 683350688. Its totient is φ = 341675340.

The previous prime is 512512993. The next prime is 512513039. The reversal of 512513013 is 310315215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 512513013 - 2⁵ = 512512981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512513063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85418833 + ... + 85418838.

It is an arithmetic number, because the mean of its divisors is an integer number (170837672).

Almost surely, 2^512513013 is an apocalyptic number.

It is an amenable number.

512513013 is a deficient number, since it is larger than the sum of its proper divisors (170837675).

512513013 is a wasteful number, since it uses less digits than its factorization.

512513013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170837674.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 512513013 is about 22638.7502526089. The cubic root of 512513013 is about 800.2671050795.

Adding to 512513013 its reverse (310315215), we get a palindrome (822828228).

The spelling of 512513013 in words is "five hundred twelve million, five hundred thirteen thousand, thirteen".