805334459 has 2 divisors, whose sum is σ = 805334460. Its totient is φ = 805334458.

The previous prime is 805334393. The next prime is 805334471. The reversal of 805334459 is 954433508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805334459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (805334059) 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, 402667229 + 402667230.

It is an arithmetic number, because the mean of its divisors is an integer number (402667230).

Almost surely, 2^805334459 is an apocalyptic number.

805334459 is a deficient number, since it is larger than the sum of its proper divisors (1).

805334459 is an equidigital number, since it uses as much as digits as its factorization.

805334459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 805334459 is about 28378.4153715460. The cubic root of 805334459 is about 930.3765611937.

The spelling of 805334459 in words is "eight hundred five million, three hundred thirty-four thousand, four hundred fifty-nine".