504520613 has 2 divisors, whose sum is σ = 504520614. Its totient is φ = 504520612.

The previous prime is 504520603. The next prime is 504520637. The reversal of 504520613 is 316025405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498941569 + 5579044 = 22337^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 504520613 - 2¹⁴ = 504504229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504520603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252260306 + 252260307.

It is an arithmetic number, because the mean of its divisors is an integer number (252260307).

Almost surely, 2^504520613 is an apocalyptic number.

It is an amenable number.

504520613 is a deficient number, since it is larger than the sum of its proper divisors (1).

504520613 is an equidigital number, since it uses as much as digits as its factorization.

504520613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 504520613 is about 22461.5363009746. The cubic root of 504520613 is about 796.0853616906.

The spelling of 504520613 in words is "five hundred four million, five hundred twenty thousand, six hundred thirteen".