342187193 has 2 divisors, whose sum is σ = 342187194. Its totient is φ = 342187192.

The previous prime is 342187151. The next prime is 342187201. The reversal of 342187193 is 391781243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311628409 + 30558784 = 17653^2 + 5528^2 .

It is a cyclic number.

It is not a de Polignac number, because 342187193 - 2²⁶ = 275078329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342187793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171093596 + 171093597.

It is an arithmetic number, because the mean of its divisors is an integer number (171093597).

Almost surely, 2^342187193 is an apocalyptic number.

It is an amenable number.

342187193 is a deficient number, since it is larger than the sum of its proper divisors (1).

342187193 is an equidigital number, since it uses as much as digits as its factorization.

342187193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 342187193 is about 18498.3024356291. The cubic root of 342187193 is about 699.4466327328.

The spelling of 342187193 in words is "three hundred forty-two million, one hundred eighty-seven thousand, one hundred ninety-three".