342875257 has 2 divisors, whose sum is σ = 342875258. Its totient is φ = 342875256.

The previous prime is 342875177. The next prime is 342875303. The reversal of 342875257 is 752578243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246521401 + 96353856 = 15701^2 + 9816^2 .

It is a cyclic number.

It is not a de Polignac number, because 342875257 - 2⁷ = 342875129 is a prime.

It is not a weakly prime, because it can be changed into another prime (342875557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171437628 + 171437629.

It is an arithmetic number, because the mean of its divisors is an integer number (171437629).

Almost surely, 2^342875257 is an apocalyptic number.

It is an amenable number.

342875257 is a deficient number, since it is larger than the sum of its proper divisors (1).

342875257 is an equidigital number, since it uses as much as digits as its factorization.

342875257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 342875257 is about 18516.8911267524. The cubic root of 342875257 is about 699.9151305270.

The spelling of 342875257 in words is "three hundred forty-two million, eight hundred seventy-five thousand, two hundred fifty-seven".