445297 has 2 divisors, whose sum is σ = 445298. Its totient is φ = 445296.

The previous prime is 445283. The next prime is 445307. The reversal of 445297 is 792544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 136161 = 556^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 445297 - 2⁷ = 445169 is a prime.

445297 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (445097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222648 + 222649.

It is an arithmetic number, because the mean of its divisors is an integer number (222649).

2⁴⁴⁵²⁹⁷ is an apocalyptic number.

It is an amenable number.

445297 is a deficient number, since it is larger than the sum of its proper divisors (1).

445297 is an equidigital number, since it uses as much as digits as its factorization.

445297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 445297 is about 667.3057769868. The cubic root of 445297 is about 76.3630482931.

The spelling of 445297 in words is "four hundred forty-five thousand, two hundred ninety-seven".