342305057 has 2 divisors, whose sum is σ = 342305058. Its totient is φ = 342305056.

The previous prime is 342305039. The next prime is 342305087. The reversal of 342305057 is 750503243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228584161 + 113720896 = 15119^2 + 10664^2 .

It is a cyclic number.

It is not a de Polignac number, because 342305057 - 2⁸ = 342304801 is a prime.

It is not a weakly prime, because it can be changed into another prime (342305027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171152528 + 171152529.

It is an arithmetic number, because the mean of its divisors is an integer number (171152529).

Almost surely, 2^342305057 is an apocalyptic number.

It is an amenable number.

342305057 is a deficient number, since it is larger than the sum of its proper divisors (1).

342305057 is an equidigital number, since it uses as much as digits as its factorization.

342305057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 342305057 is about 18501.4879671879. The cubic root of 342305057 is about 699.5269300245.

The spelling of 342305057 in words is "three hundred forty-two million, three hundred five thousand, fifty-seven".