268043 has 2 divisors, whose sum is σ = 268044. Its totient is φ = 268042.

The previous prime is 268013. The next prime is 268049. The reversal of 268043 is 340862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268043 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134021 + 134022.

It is an arithmetic number, because the mean of its divisors is an integer number (134022).

2²⁶⁸⁰⁴³ is an apocalyptic number.

268043 is a deficient number, since it is larger than the sum of its proper divisors (1).

268043 is an equidigital number, since it uses as much as digits as its factorization.

268043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 268043 is about 517.7286934293. The cubic root of 268043 is about 64.4765052742.

The spelling of 268043 in words is "two hundred sixty-eight thousand, forty-three".