268804259 has 2 divisors, whose sum is σ = 268804260. Its totient is φ = 268804258.

The previous prime is 268804213. The next prime is 268804273. The reversal of 268804259 is 952408862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268804259 - 2²⁸ = 368803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268804279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134402129 + 134402130.

It is an arithmetic number, because the mean of its divisors is an integer number (134402130).

Almost surely, 2^268804259 is an apocalyptic number.

268804259 is a deficient number, since it is larger than the sum of its proper divisors (1).

268804259 is an equidigital number, since it uses as much as digits as its factorization.

268804259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 268804259 is about 16395.2511112212. The cubic root of 268804259 is about 645.3748669199.

The spelling of 268804259 in words is "two hundred sixty-eight million, eight hundred four thousand, two hundred fifty-nine".