342050257 has 2 divisors, whose sum is σ = 342050258. Its totient is φ = 342050256.

The previous prime is 342050213. The next prime is 342050281. The reversal of 342050257 is 752050243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271557441 + 70492816 = 16479^2 + 8396^2 .

It is a cyclic number.

It is not a de Polignac number, because 342050257 - 2⁷ = 342050129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342050207) 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, 171025128 + 171025129.

It is an arithmetic number, because the mean of its divisors is an integer number (171025129).

Almost surely, 2^342050257 is an apocalyptic number.

It is an amenable number.

342050257 is a deficient number, since it is larger than the sum of its proper divisors (1).

342050257 is an equidigital number, since it uses as much as digits as its factorization.

342050257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 342050257 is about 18494.6007526521. The cubic root of 342050257 is about 699.3533190874.

The spelling of 342050257 in words is "three hundred forty-two million, fifty thousand, two hundred fifty-seven".