268340351 has 2 divisors, whose sum is σ = 268340352. Its totient is φ = 268340350.

The previous prime is 268340329. The next prime is 268340353. The reversal of 268340351 is 153043862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268340351 - 2¹⁸ = 268078207 is a prime.

Together with 268340353, 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 (268340353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134170175 + 134170176.

It is an arithmetic number, because the mean of its divisors is an integer number (134170176).

Almost surely, 2^268340351 is an apocalyptic number.

268340351 is a deficient number, since it is larger than the sum of its proper divisors (1).

268340351 is an equidigital number, since it uses as much as digits as its factorization.

268340351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 268340351 is about 16381.0973686136. The cubic root of 268340351 is about 645.0033859967.

It can be divided in two parts, 2683 and 40351, that added together give a palindrome (43034).

The spelling of 268340351 in words is "two hundred sixty-eight million, three hundred forty thousand, three hundred fifty-one".