518893 has 2 divisors, whose sum is σ = 518894. Its totient is φ = 518892.

The previous prime is 518867. The next prime is 518911. The reversal of 518893 is 398815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 19044 = 707^2 + 138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518893 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259446 + 259447.

It is an arithmetic number, because the mean of its divisors is an integer number (259447).

2⁵¹⁸⁸⁹³ is an apocalyptic number.

It is an amenable number.

518893 is a deficient number, since it is larger than the sum of its proper divisors (1).

518893 is an equidigital number, since it uses as much as digits as its factorization.

518893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 518893 is about 720.3422797532. The cubic root of 518893 is about 80.3574112537.

The spelling of 518893 in words is "five hundred eighteen thousand, eight hundred ninety-three".