345333271 has 2 divisors, whose sum is σ = 345333272. Its totient is φ = 345333270.

The previous prime is 345333217. The next prime is 345333281. The reversal of 345333271 is 172333543.

Together with previous prime (345333217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345333271 - 2¹⁷ = 345202199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345333281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172666635 + 172666636.

It is an arithmetic number, because the mean of its divisors is an integer number (172666636).

Almost surely, 2^345333271 is an apocalyptic number.

345333271 is a deficient number, since it is larger than the sum of its proper divisors (1).

345333271 is an equidigital number, since it uses as much as digits as its factorization.

345333271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 31.

The square root of 345333271 is about 18583.1448092082. The cubic root of 345333271 is about 701.5836735931.

The spelling of 345333271 in words is "three hundred forty-five million, three hundred thirty-three thousand, two hundred seventy-one".