268244293 has 2 divisors, whose sum is σ = 268244294. Its totient is φ = 268244292.

The previous prime is 268244281. The next prime is 268244323. The reversal of 268244293 is 392442862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205549569 + 62694724 = 14337^2 + 7918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268244293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268244203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134122146 + 134122147.

It is an arithmetic number, because the mean of its divisors is an integer number (134122147).

Almost surely, 2^268244293 is an apocalyptic number.

It is an amenable number.

268244293 is a deficient number, since it is larger than the sum of its proper divisors (1).

268244293 is an equidigital number, since it uses as much as digits as its factorization.

268244293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 268244293 is about 16378.1651292201. The cubic root of 268244293 is about 644.9264126933.

The spelling of 268244293 in words is "two hundred sixty-eight million, two hundred forty-four thousand, two hundred ninety-three".