513242329 has 2 divisors, whose sum is σ = 513242330. Its totient is φ = 513242328.

The previous prime is 513242297. The next prime is 513242351. The reversal of 513242329 is 923242315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317801929 + 195440400 = 17827^2 + 13980^2 .

It is a cyclic number.

It is not a de Polignac number, because 513242329 - 2⁵ = 513242297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513242329.

It is not a weakly prime, because it can be changed into another prime (513242729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256621164 + 256621165.

It is an arithmetic number, because the mean of its divisors is an integer number (256621165).

Almost surely, 2^513242329 is an apocalyptic number.

It is an amenable number.

513242329 is a deficient number, since it is larger than the sum of its proper divisors (1).

513242329 is an equidigital number, since it uses as much as digits as its factorization.

513242329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 513242329 is about 22654.8522175714. The cubic root of 513242329 is about 800.6465237223.

The spelling of 513242329 in words is "five hundred thirteen million, two hundred forty-two thousand, three hundred twenty-nine".