342634273 has 2 divisors, whose sum is σ = 342634274. Its totient is φ = 342634272.

The previous prime is 342634261. The next prime is 342634283. The reversal of 342634273 is 372436243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342546064 + 88209 = 18508^2 + 297^2 .

It is an emirp because it is prime and its reverse (372436243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342634273 - 2²¹ = 340537121 is a prime.

It is not a weakly prime, because it can be changed into another prime (342634213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171317136 + 171317137.

It is an arithmetic number, because the mean of its divisors is an integer number (171317137).

Almost surely, 2^342634273 is an apocalyptic number.

It is an amenable number.

342634273 is a deficient number, since it is larger than the sum of its proper divisors (1).

342634273 is an equidigital number, since it uses as much as digits as its factorization.

342634273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 34.

The square root of 342634273 is about 18510.3828431505. The cubic root of 342634273 is about 699.7511176438.

The spelling of 342634273 in words is "three hundred forty-two million, six hundred thirty-four thousand, two hundred seventy-three".