268597843 has 2 divisors, whose sum is σ = 268597844. Its totient is φ = 268597842.

The previous prime is 268597831. The next prime is 268597853. The reversal of 268597843 is 348795862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268597843 - 2⁵ = 268597811 is a prime.

It is not a weakly prime, because it can be changed into another prime (268597853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134298921 + 134298922.

It is an arithmetic number, because the mean of its divisors is an integer number (134298922).

Almost surely, 2^268597843 is an apocalyptic number.

268597843 is a deficient number, since it is larger than the sum of its proper divisors (1).

268597843 is an equidigital number, since it uses as much as digits as its factorization.

268597843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The square root of 268597843 is about 16388.9549087182. The cubic root of 268597843 is about 645.2096291957.

The spelling of 268597843 in words is "two hundred sixty-eight million, five hundred ninety-seven thousand, eight hundred forty-three".