518085 has 24 divisors (see below), whose sum is σ = 931320. Its totient is φ = 266112.

The previous prime is 518083. The next prime is 518099. The reversal of 518085 is 580815.

It can be written as a sum of positive squares in 4 ways, for example, as 86436 + 431649 = 294^2 + 657^2 .

It is not a de Polignac number, because 518085 - 2¹ = 518083 is a 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 518085.

It is not an unprimeable number, because it can be changed into a prime (518083) 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 in 23 ways as a sum of consecutive naturals, for example, 1107 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (38805).

2⁵¹⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

518085 is a deficient number, since it is larger than the sum of its proper divisors (413235).

518085 is a wasteful number, since it uses less digits than its factorization.

518085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 518085 is about 719.7812167596. The cubic root of 518085 is about 80.3156797734.

The spelling of 518085 in words is "five hundred eighteen thousand, eighty-five".