517683413 has 4 divisors (see below), whose sum is σ = 557505228. Its totient is φ = 477861600.

The previous prime is 517683409. The next prime is 517683421. The reversal of 517683413 is 314386715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 328950769 + 188732644 = 18137^2 + 13738^2 .

It is a cyclic number.

It is not a de Polignac number, because 517683413 - 2² = 517683409 is a prime.

It is a super-2 number, since 2×517683413² = 535992232190657138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517683403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19910888 + ... + 19910913.

It is an arithmetic number, because the mean of its divisors is an integer number (139376307).

Almost surely, 2^517683413 is an apocalyptic number.

It is an amenable number.

517683413 is a deficient number, since it is larger than the sum of its proper divisors (39821815).

517683413 is a wasteful number, since it uses less digits than its factorization.

517683413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39821814.

The product of its digits is 60480, while the sum is 38.

The square root of 517683413 is about 22752.6572733824. The cubic root of 517683413 is about 802.9492251657.

The spelling of 517683413 in words is "five hundred seventeen million, six hundred eighty-three thousand, four hundred thirteen".