513704417 has 2 divisors, whose sum is σ = 513704418. Its totient is φ = 513704416.

The previous prime is 513704393. The next prime is 513704447. The reversal of 513704417 is 714407315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477029281 + 36675136 = 21841^2 + 6056^2 .

It is a cyclic number.

It is not a de Polignac number, because 513704417 - 2¹⁴ = 513688033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (513704447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256852208 + 256852209.

It is an arithmetic number, because the mean of its divisors is an integer number (256852209).

Almost surely, 2^513704417 is an apocalyptic number.

It is an amenable number.

513704417 is a deficient number, since it is larger than the sum of its proper divisors (1).

513704417 is an equidigital number, since it uses as much as digits as its factorization.

513704417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 513704417 is about 22665.0483564452. The cubic root of 513704417 is about 800.8867339530.

The spelling of 513704417 in words is "five hundred thirteen million, seven hundred four thousand, four hundred seventeen".