344542057 has 2 divisors, whose sum is σ = 344542058. Its totient is φ = 344542056.

The previous prime is 344542031. The next prime is 344542063. The reversal of 344542057 is 750245443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179265321 + 165276736 = 13389^2 + 12856^2 .

It is a cyclic number.

It is not a de Polignac number, because 344542057 - 2²³ = 336153449 is a prime.

It is not a weakly prime, because it can be changed into another prime (344542027) 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, 172271028 + 172271029.

It is an arithmetic number, because the mean of its divisors is an integer number (172271029).

Almost surely, 2^344542057 is an apocalyptic number.

It is an amenable number.

344542057 is a deficient number, since it is larger than the sum of its proper divisors (1).

344542057 is an equidigital number, since it uses as much as digits as its factorization.

344542057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 344542057 is about 18561.8441163587. The cubic root of 344542057 is about 701.0474502256.

The spelling of 344542057 in words is "three hundred forty-four million, five hundred forty-two thousand, fifty-seven".