268585 has 4 divisors (see below), whose sum is σ = 322308. Its totient is φ = 214864.

The previous prime is 268573. The next prime is 268607. The reversal of 268585 is 585862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114921 + 153664 = 339^2 + 392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268585 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26854 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (80577).

2²⁶⁸⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

268585 is a deficient number, since it is larger than the sum of its proper divisors (53723).

268585 is an equidigital number, since it uses as much as digits as its factorization.

268585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53722.

The product of its digits is 19200, while the sum is 34.

The square root of 268585 is about 518.2518692682. The cubic root of 268585 is about 64.5199345470.

The spelling of 268585 in words is "two hundred sixty-eight thousand, five hundred eighty-five".