320057 has 2 divisors, whose sum is σ = 320058. Its totient is φ = 320056.

The previous prime is 320053. The next prime is 320063. The reversal of 320057 is 750023.

320057 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287296 + 32761 = 536^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 320057 - 2² = 320053 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320057.

It is not a weakly prime, because it can be changed into another prime (320053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028 + 160029.

It is an arithmetic number, because the mean of its divisors is an integer number (160029).

2³²⁰⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

320057 is a deficient number, since it is larger than the sum of its proper divisors (1).

320057 is an equidigital number, since it uses as much as digits as its factorization.

320057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 320057 is about 565.7358040641. The cubic root of 320057 is about 68.4030988188.

The spelling of 320057 in words is "three hundred twenty thousand, fifty-seven".