517300057 has 4 divisors (see below), whose sum is σ = 535138020. Its totient is φ = 499462096.

The previous prime is 517300051. The next prime is 517300067. The reversal of 517300057 is 750003715.

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 227074761 + 290225296 = 15069^2 + 17036^2 .

It is a cyclic number.

It is not a de Polignac number, because 517300057 - 2¹⁹ = 516775769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517299998 and 517300034.

It is not an unprimeable number, because it can be changed into a prime (517300051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918938 + ... + 8918995.

It is an arithmetic number, because the mean of its divisors is an integer number (133784505).

Almost surely, 2^517300057 is an apocalyptic number.

It is an amenable number.

517300057 is a deficient number, since it is larger than the sum of its proper divisors (17837963).

517300057 is a wasteful number, since it uses less digits than its factorization.

517300057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837962.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 517300057 is about 22744.2312905932. The cubic root of 517300057 is about 802.7509756770.

The spelling of 517300057 in words is "five hundred seventeen million, three hundred thousand, fifty-seven".