518863 has 2 divisors, whose sum is σ = 518864. Its totient is φ = 518862.

The previous prime is 518831. The next prime is 518867. The reversal of 518863 is 368815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 518863 - 2⁵ = 518831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259431 + 259432.

It is an arithmetic number, because the mean of its divisors is an integer number (259432).

2⁵¹⁸⁸⁶³ is an apocalyptic number.

518863 is a deficient number, since it is larger than the sum of its proper divisors (1).

518863 is an equidigital number, since it uses as much as digits as its factorization.

518863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 518863 is about 720.3214560181. The cubic root of 518863 is about 80.3558625922.

The spelling of 518863 in words is "five hundred eighteen thousand, eight hundred sixty-three".