342417917 has 2 divisors, whose sum is σ = 342417918. Its totient is φ = 342417916.

The previous prime is 342417883. The next prime is 342417919. The reversal of 342417917 is 719714243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240529081 + 101888836 = 15509^2 + 10094^2 .

It is a cyclic number.

It is not a de Polignac number, because 342417917 - 2⁶ = 342417853 is a prime.

Together with 342417919, 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 (342417919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171208958 + 171208959.

It is an arithmetic number, because the mean of its divisors is an integer number (171208959).

Almost surely, 2^342417917 is an apocalyptic number.

It is an amenable number.

342417917 is a deficient number, since it is larger than the sum of its proper divisors (1).

342417917 is an equidigital number, since it uses as much as digits as its factorization.

342417917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 342417917 is about 18504.5377407813. The cubic root of 342417917 is about 699.6038009643.

The spelling of 342417917 in words is "three hundred forty-two million, four hundred seventeen thousand, nine hundred seventeen".