504226913 has 2 divisors, whose sum is σ = 504226914. Its totient is φ = 504226912.

The previous prime is 504226903. The next prime is 504226949. The reversal of 504226913 is 319622405.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420742144 + 83484769 = 20512^2 + 9137^2 .

It is a cyclic number.

It is not a de Polignac number, because 504226913 - 2¹⁶ = 504161377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 504226913.

It is not a weakly prime, because it can be changed into another prime (504226903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252113456 + 252113457.

It is an arithmetic number, because the mean of its divisors is an integer number (252113457).

Almost surely, 2^504226913 is an apocalyptic number.

It is an amenable number.

504226913 is a deficient number, since it is larger than the sum of its proper divisors (1).

504226913 is an equidigital number, since it uses as much as digits as its factorization.

504226913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 504226913 is about 22454.9975061232. The cubic root of 504226913 is about 795.9308548517.

The spelling of 504226913 in words is "five hundred four million, two hundred twenty-six thousand, nine hundred thirteen".