345066317 has 2 divisors, whose sum is σ = 345066318. Its totient is φ = 345066316.

The previous prime is 345066311. The next prime is 345066367. The reversal of 345066317 is 713660543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276689956 + 68376361 = 16634^2 + 8269^2 .

It is an emirp because it is prime and its reverse (713660543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345066317 - 2²⁰ = 344017741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345066311) 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, 172533158 + 172533159.

It is an arithmetic number, because the mean of its divisors is an integer number (172533159).

Almost surely, 2^345066317 is an apocalyptic number.

It is an amenable number.

345066317 is a deficient number, since it is larger than the sum of its proper divisors (1).

345066317 is an equidigital number, since it uses as much as digits as its factorization.

345066317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 345066317 is about 18575.9607288560. The cubic root of 345066317 is about 701.4028445553.

The spelling of 345066317 in words is "three hundred forty-five million, sixty-six thousand, three hundred seventeen".