518057 has 2 divisors, whose sum is σ = 518058. Its totient is φ = 518056.

The previous prime is 518047. The next prime is 518059. The reversal of 518057 is 750815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502681 + 15376 = 709^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 518057 - 2¹⁶ = 452521 is a prime.

Together with 518059, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 518057.

It is not a weakly prime, because it can be changed into another prime (518059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259028 + 259029.

It is an arithmetic number, because the mean of its divisors is an integer number (259029).

2⁵¹⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

518057 is a deficient number, since it is larger than the sum of its proper divisors (1).

518057 is an equidigital number, since it uses as much as digits as its factorization.

518057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 518057 is about 719.7617661421. The cubic root of 518057 is about 80.3142328554.

The spelling of 518057 in words is "five hundred eighteen thousand, fifty-seven".