268316317 has 2 divisors, whose sum is σ = 268316318. Its totient is φ = 268316316.

The previous prime is 268316299. The next prime is 268316357. The reversal of 268316317 is 713613862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197655481 + 70660836 = 14059^2 + 8406^2 .

It is a cyclic number.

It is not a de Polignac number, because 268316317 - 2⁷ = 268316189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268316357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134158158 + 134158159.

It is an arithmetic number, because the mean of its divisors is an integer number (134158159).

Almost surely, 2^268316317 is an apocalyptic number.

It is an amenable number.

268316317 is a deficient number, since it is larger than the sum of its proper divisors (1).

268316317 is an equidigital number, since it uses as much as digits as its factorization.

268316317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 268316317 is about 16380.3637627496. The cubic root of 268316317 is about 644.9841287684.

The spelling of 268316317 in words is "two hundred sixty-eight million, three hundred sixteen thousand, three hundred seventeen".