513223499 has 2 divisors, whose sum is σ = 513223500. Its totient is φ = 513223498.

The previous prime is 513223483. The next prime is 513223531. The reversal of 513223499 is 994322315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513223499 - 2⁴ = 513223483 is a prime.

It is not a weakly prime, because it can be changed into another prime (513229499) 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 as a sum of consecutive naturals, namely, 256611749 + 256611750.

It is an arithmetic number, because the mean of its divisors is an integer number (256611750).

Almost surely, 2^513223499 is an apocalyptic number.

513223499 is a deficient number, since it is larger than the sum of its proper divisors (1).

513223499 is an equidigital number, since it uses as much as digits as its factorization.

513223499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 513223499 is about 22654.4366294993. The cubic root of 513223499 is about 800.6367321433.

The spelling of 513223499 in words is "five hundred thirteen million, two hundred twenty-three thousand, four hundred ninety-nine".