268596197 has 2 divisors, whose sum is σ = 268596198. Its totient is φ = 268596196.

The previous prime is 268596193. The next prime is 268596199. The reversal of 268596197 is 791695862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267355201 + 1240996 = 16351^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 268596197 - 2² = 268596193 is a prime.

Together with 268596199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268596193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134298098 + 134298099.

It is an arithmetic number, because the mean of its divisors is an integer number (134298099).

Almost surely, 2^268596197 is an apocalyptic number.

It is an amenable number.

268596197 is a deficient number, since it is larger than the sum of its proper divisors (1).

268596197 is an equidigital number, since it uses as much as digits as its factorization.

268596197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 268596197 is about 16388.9046918945. The cubic root of 268596197 is about 645.2083112188.

The spelling of 268596197 in words is "two hundred sixty-eight million, five hundred ninety-six thousand, one hundred ninety-seven".