268897 has 2 divisors, whose sum is σ = 268898. Its totient is φ = 268896.

The previous prime is 268883. The next prime is 268909. The reversal of 268897 is 798862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192721 + 76176 = 439^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 268897 - 2¹⁵ = 236129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134448 + 134449.

It is an arithmetic number, because the mean of its divisors is an integer number (134449).

2²⁶⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

268897 is a deficient number, since it is larger than the sum of its proper divisors (1).

268897 is an equidigital number, since it uses as much as digits as its factorization.

268897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 268897 is about 518.5527938407. The cubic root of 268897 is about 64.5449079321.

It can be divided in two parts, 26889 and 7, that added together give a square (26896 = 164²).

The spelling of 268897 in words is "two hundred sixty-eight thousand, eight hundred ninety-seven".