513704399 has 6 divisors (see below), whose sum is σ = 556259976. Its totient is φ = 474188520.

The previous prime is 513704393. The next prime is 513704417. The reversal of 513704399 is 993407315.

It is not a de Polignac number, because 513704399 - 2¹² = 513700303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513704393) 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 in 5 ways as a sum of consecutive naturals, for example, 1519667 + ... + 1520004.

It is an arithmetic number, because the mean of its divisors is an integer number (92709996).

Almost surely, 2^513704399 is an apocalyptic number.

513704399 is a deficient number, since it is larger than the sum of its proper divisors (42555577).

513704399 is a wasteful number, since it uses less digits than its factorization.

513704399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039697 (or 3039684 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 513704399 is about 22665.0479593580. The cubic root of 513704399 is about 800.8867245987.

The spelling of 513704399 in words is "five hundred thirteen million, seven hundred four thousand, three hundred ninety-nine".