518801 has 2 divisors, whose sum is σ = 518802. Its totient is φ = 518800.

The previous prime is 518779. The next prime is 518803. The reversal of 518801 is 108815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358801 + 160000 = 599^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 518801 - 2⁶ = 518737 is a prime.

Together with 518803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (518803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259400 + 259401.

It is an arithmetic number, because the mean of its divisors is an integer number (259401).

2⁵¹⁸⁸⁰¹ is an apocalyptic number.

It is an amenable number.

518801 is a deficient number, since it is larger than the sum of its proper divisors (1).

518801 is an equidigital number, since it uses as much as digits as its factorization.

518801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 518801 is about 720.2784183911. The cubic root of 518801 is about 80.3526618360.

The spelling of 518801 in words is "five hundred eighteen thousand, eight hundred one".