345264791 has 2 divisors, whose sum is σ = 345264792. Its totient is φ = 345264790.

The previous prime is 345264769. The next prime is 345264793. The reversal of 345264791 is 197462543.

It is a strong prime.

It is an emirp because it is prime and its reverse (197462543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345264791 - 2⁶ = 345264727 is a prime.

It is a Sophie Germain prime.

Together with 345264793, 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 (345264793) 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, 172632395 + 172632396.

It is an arithmetic number, because the mean of its divisors is an integer number (172632396).

Almost surely, 2^345264791 is an apocalyptic number.

345264791 is a deficient number, since it is larger than the sum of its proper divisors (1).

345264791 is an equidigital number, since it uses as much as digits as its factorization.

345264791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 345264791 is about 18581.3021879523. The cubic root of 345264791 is about 701.5372955672.

The spelling of 345264791 in words is "three hundred forty-five million, two hundred sixty-four thousand, seven hundred ninety-one".