442512017 has 2 divisors, whose sum is σ = 442512018. Its totient is φ = 442512016.

The previous prime is 442512001. The next prime is 442512041. The reversal of 442512017 is 710215244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399360256 + 43151761 = 19984^2 + 6569^2 .

It is a cyclic number.

It is not a de Polignac number, because 442512017 - 2⁴ = 442512001 is a prime.

It is not a weakly prime, because it can be changed into another prime (442512067) 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, 221256008 + 221256009.

It is an arithmetic number, because the mean of its divisors is an integer number (221256009).

Almost surely, 2^442512017 is an apocalyptic number.

It is an amenable number.

442512017 is a deficient number, since it is larger than the sum of its proper divisors (1).

442512017 is an equidigital number, since it uses as much as digits as its factorization.

442512017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 442512017 is about 21035.9695997118. The cubic root of 442512017 is about 762.0351828718.

The spelling of 442512017 in words is "four hundred forty-two million, five hundred twelve thousand, seventeen".