268533451 has 2 divisors, whose sum is σ = 268533452. Its totient is φ = 268533450.

The previous prime is 268533413. The next prime is 268533467. The reversal of 268533451 is 154335862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268533451 - 2¹⁹ = 268009163 is a prime.

It is a super-2 number, since 2×268533451² = 144220428611938802, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268533451.

It is not a weakly prime, because it can be changed into another prime (268533401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134266725 + 134266726.

It is an arithmetic number, because the mean of its divisors is an integer number (134266726).

Almost surely, 2^268533451 is an apocalyptic number.

268533451 is a deficient number, since it is larger than the sum of its proper divisors (1).

268533451 is an equidigital number, since it uses as much as digits as its factorization.

268533451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 268533451 is about 16386.9902971839. The cubic root of 268533451 is about 645.1580655414.

The spelling of 268533451 in words is "two hundred sixty-eight million, five hundred thirty-three thousand, four hundred fifty-one".