804000559 has 2 divisors, whose sum is σ = 804000560. Its totient is φ = 804000558.

The previous prime is 804000539. The next prime is 804000563. The reversal of 804000559 is 955000408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804000559 - 2²¹ = 801903407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804000559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804000539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402000279 + 402000280.

It is an arithmetic number, because the mean of its divisors is an integer number (402000280).

Almost surely, 2^804000559 is an apocalyptic number.

804000559 is a deficient number, since it is larger than the sum of its proper divisors (1).

804000559 is an equidigital number, since it uses as much as digits as its factorization.

804000559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 804000559 is about 28354.9036147189. The cubic root of 804000559 is about 929.8626069820.

The spelling of 804000559 in words is "eight hundred four million, five hundred fifty-nine", and thus it is an aban number.