442959073 has 2 divisors, whose sum is σ = 442959074. Its totient is φ = 442959072.

The previous prime is 442959037. The next prime is 442959113. The reversal of 442959073 is 370959244.

Together with previous prime (442959037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339591184 + 103367889 = 18428^2 + 10167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442959073 is a prime.

It is not a weakly prime, because it can be changed into another prime (442959173) 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, 221479536 + 221479537.

It is an arithmetic number, because the mean of its divisors is an integer number (221479537).

Almost surely, 2^442959073 is an apocalyptic number.

It is an amenable number.

442959073 is a deficient number, since it is larger than the sum of its proper divisors (1).

442959073 is an equidigital number, since it uses as much as digits as its factorization.

442959073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 442959073 is about 21046.5929071667. The cubic root of 442959073 is about 762.2917165767.

The spelling of 442959073 in words is "four hundred forty-two million, nine hundred fifty-nine thousand, seventy-three".