345997367 has 2 divisors, whose sum is σ = 345997368. Its totient is φ = 345997366.

The previous prime is 345997361. The next prime is 345997427. The reversal of 345997367 is 763799543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345997367 - 2⁸ = 345997111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345997361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172998683 + 172998684.

It is an arithmetic number, because the mean of its divisors is an integer number (172998684).

Almost surely, 2^345997367 is an apocalyptic number.

345997367 is a deficient number, since it is larger than the sum of its proper divisors (1).

345997367 is an equidigital number, since it uses as much as digits as its factorization.

345997367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 53.

The square root of 345997367 is about 18601.0044621252. The cubic root of 345997367 is about 702.0331143758.

The spelling of 345997367 in words is "three hundred forty-five million, nine hundred ninety-seven thousand, three hundred sixty-seven".