342756317 has 2 divisors, whose sum is σ = 342756318. Its totient is φ = 342756316.

The previous prime is 342756301. The next prime is 342756319. The reversal of 342756317 is 713657243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 153115876 = 13771^2 + 12374^2 .

It is a cyclic number.

It is not a de Polignac number, because 342756317 - 2⁴ = 342756301 is a prime.

Together with 342756319, 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 (342756319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171378158 + 171378159.

It is an arithmetic number, because the mean of its divisors is an integer number (171378159).

Almost surely, 2^342756317 is an apocalyptic number.

It is an amenable number.

342756317 is a deficient number, since it is larger than the sum of its proper divisors (1).

342756317 is an equidigital number, since it uses as much as digits as its factorization.

342756317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 342756317 is about 18513.6791859425. The cubic root of 342756317 is about 699.8341899791.

The spelling of 342756317 in words is "three hundred forty-two million, seven hundred fifty-six thousand, three hundred seventeen".