268328353 has 2 divisors, whose sum is σ = 268328354. Its totient is φ = 268328352.

The previous prime is 268328341. The next prime is 268328377. The reversal of 268328353 is 353823862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142372624 + 125955729 = 11932^2 + 11223^2 .

It is a cyclic number.

It is not a de Polignac number, because 268328353 - 2⁵ = 268328321 is a prime.

It is not a weakly prime, because it can be changed into another prime (268323353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134164176 + 134164177.

It is an arithmetic number, because the mean of its divisors is an integer number (134164177).

Almost surely, 2^268328353 is an apocalyptic number.

It is an amenable number.

268328353 is a deficient number, since it is larger than the sum of its proper divisors (1).

268328353 is an equidigital number, since it uses as much as digits as its factorization.

268328353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 268328353 is about 16380.7311497381. The cubic root of 268328353 is about 644.9937727500.

The spelling of 268328353 in words is "two hundred sixty-eight million, three hundred twenty-eight thousand, three hundred fifty-three".