342645307 has 2 divisors, whose sum is σ = 342645308. Its totient is φ = 342645306.

The previous prime is 342645299. The next prime is 342645311. The reversal of 342645307 is 703546243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342645307 - 2³ = 342645299 is a prime.

It is not a weakly prime, because it can be changed into another prime (342645337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171322653 + 171322654.

It is an arithmetic number, because the mean of its divisors is an integer number (171322654).

Almost surely, 2^342645307 is an apocalyptic number.

342645307 is a deficient number, since it is larger than the sum of its proper divisors (1).

342645307 is an equidigital number, since it uses as much as digits as its factorization.

342645307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 342645307 is about 18510.6808896918. The cubic root of 342645307 is about 699.7586290260.

The spelling of 342645307 in words is "three hundred forty-two million, six hundred forty-five thousand, three hundred seven".