507513613 has 2 divisors, whose sum is σ = 507513614. Its totient is φ = 507513612.

The previous prime is 507513569. The next prime is 507513667. The reversal of 507513613 is 316315705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273637764 + 233875849 = 16542^2 + 15293^2 .

It is a cyclic number.

It is not a de Polignac number, because 507513613 - 2²⁵ = 473959181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507513913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253756806 + 253756807.

It is an arithmetic number, because the mean of its divisors is an integer number (253756807).

Almost surely, 2^507513613 is an apocalyptic number.

It is an amenable number.

507513613 is a deficient number, since it is larger than the sum of its proper divisors (1).

507513613 is an equidigital number, since it uses as much as digits as its factorization.

507513613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 507513613 is about 22528.0627884423. The cubic root of 507513613 is about 797.6564817102.

The spelling of 507513613 in words is "five hundred seven million, five hundred thirteen thousand, six hundred thirteen".