442734317 has 2 divisors, whose sum is σ = 442734318. Its totient is φ = 442734316.

The previous prime is 442734301. The next prime is 442734323. The reversal of 442734317 is 713437244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365803876 + 76930441 = 19126^2 + 8771^2 .

It is a cyclic number.

It is not a de Polignac number, because 442734317 - 2⁴ = 442734301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442730317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221367158 + 221367159.

It is an arithmetic number, because the mean of its divisors is an integer number (221367159).

Almost surely, 2^442734317 is an apocalyptic number.

It is an amenable number.

442734317 is a deficient number, since it is larger than the sum of its proper divisors (1).

442734317 is an equidigital number, since it uses as much as digits as its factorization.

442734317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 35.

The square root of 442734317 is about 21041.2527431234. The cubic root of 442734317 is about 762.1627666480.

The spelling of 442734317 in words is "four hundred forty-two million, seven hundred thirty-four thousand, three hundred seventeen".