268913 has 2 divisors, whose sum is σ = 268914. Its totient is φ = 268912.

The previous prime is 268909. The next prime is 268921. The reversal of 268913 is 319862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247009 + 21904 = 497^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 268913 - 2² = 268909 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134456 + 134457.

It is an arithmetic number, because the mean of its divisors is an integer number (134457).

2²⁶⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

268913 is a deficient number, since it is larger than the sum of its proper divisors (1).

268913 is an equidigital number, since it uses as much as digits as its factorization.

268913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 268913 is about 518.5682211628. The cubic root of 268913 is about 64.5461880977.

The spelling of 268913 in words is "two hundred sixty-eight thousand, nine hundred thirteen".