345957793 has 2 divisors, whose sum is σ = 345957794. Its totient is φ = 345957792.

The previous prime is 345957763. The next prime is 345957851. The reversal of 345957793 is 397759543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337530384 + 8427409 = 18372^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 345957793 - 2²⁵ = 312403361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345957793.

It is not a weakly prime, because it can be changed into another prime (345957763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172978896 + 172978897.

It is an arithmetic number, because the mean of its divisors is an integer number (172978897).

Almost surely, 2^345957793 is an apocalyptic number.

It is an amenable number.

345957793 is a deficient number, since it is larger than the sum of its proper divisors (1).

345957793 is an equidigital number, since it uses as much as digits as its factorization.

345957793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 52.

The square root of 345957793 is about 18599.9406719484. The cubic root of 345957793 is about 702.0063479701.

The spelling of 345957793 in words is "three hundred forty-five million, nine hundred fifty-seven thousand, seven hundred ninety-three".