504190013 has 2 divisors, whose sum is σ = 504190014. Its totient is φ = 504190012.

The previous prime is 504189979. The next prime is 504190031. The reversal of 504190013 is 310091405.

504190013 = 15877² + 15878².

It is a happy number.

Together with next prime (504190031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252110884 + 252079129 = 15878^2 + 15877^2 .

It is a cyclic number.

It is not a de Polignac number, because 504190013 - 2¹⁰ = 504188989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504193013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252095006 + 252095007.

It is an arithmetic number, because the mean of its divisors is an integer number (252095007).

Almost surely, 2^504190013 is an apocalyptic number.

504190013 is the 15878-th centered square number.

It is an amenable number.

504190013 is a deficient number, since it is larger than the sum of its proper divisors (1).

504190013 is an equidigital number, since it uses as much as digits as its factorization.

504190013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 504190013 is about 22454.1758477126. The cubic root of 504190013 is about 795.9114386165.

The spelling of 504190013 in words is "five hundred four million, one hundred ninety thousand, thirteen".