268313 has 4 divisors (see below), whose sum is σ = 270180. Its totient is φ = 266448.

The previous prime is 268297. The next prime is 268343. The reversal of 268313 is 313862.

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 64009 + 204304 = 253^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 268313 - 2⁴ = 268297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (67545).

2²⁶⁸³¹³ is an apocalyptic number.

It is an amenable number.

268313 is a deficient number, since it is larger than the sum of its proper divisors (1867).

268313 is a wasteful number, since it uses less digits than its factorization.

268313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its digits is 864, while the sum is 23.

The square root of 268313 is about 517.9893821306. The cubic root of 268313 is about 64.4981470934.

The spelling of 268313 in words is "two hundred sixty-eight thousand, three hundred thirteen".