268315351 has 2 divisors, whose sum is σ = 268315352. Its totient is φ = 268315350.

The previous prime is 268315349. The next prime is 268315361. The reversal of 268315351 is 153513862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268315351 - 2¹ = 268315349 is a prime.

Together with 268315349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268315361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134157675 + 134157676.

It is an arithmetic number, because the mean of its divisors is an integer number (134157676).

Almost surely, 2^268315351 is an apocalyptic number.

268315351 is a deficient number, since it is larger than the sum of its proper divisors (1).

268315351 is an equidigital number, since it uses as much as digits as its factorization.

268315351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 268315351 is about 16380.3342761984. The cubic root of 268315351 is about 644.9833547374.

The spelling of 268315351 in words is "two hundred sixty-eight million, three hundred fifteen thousand, three hundred fifty-one".