342140417 has 2 divisors, whose sum is σ = 342140418. Its totient is φ = 342140416.

The previous prime is 342140377. The next prime is 342140431. The reversal of 342140417 is 714041243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322417936 + 19722481 = 17956^2 + 4441^2 .

It is an emirp because it is prime and its reverse (714041243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342140417 - 2¹² = 342136321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342140497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171070208 + 171070209.

It is an arithmetic number, because the mean of its divisors is an integer number (171070209).

Almost surely, 2^342140417 is an apocalyptic number.

It is an amenable number.

342140417 is a deficient number, since it is larger than the sum of its proper divisors (1).

342140417 is an equidigital number, since it uses as much as digits as its factorization.

342140417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 342140417 is about 18497.0380601868. The cubic root of 342140417 is about 699.4147605030.

The spelling of 342140417 in words is "three hundred forty-two million, one hundred forty thousand, four hundred seventeen".