808559 has 2 divisors, whose sum is σ = 808560. Its totient is φ = 808558.

The previous prime is 808553. The next prime is 808579. The reversal of 808559 is 955808.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404279 + 404280.

It is an arithmetic number, because the mean of its divisors is an integer number (404280).

2⁸⁰⁸⁵⁵⁹ is an apocalyptic number.

808559 is a deficient number, since it is larger than the sum of its proper divisors (1).

808559 is an equidigital number, since it uses as much as digits as its factorization.

808559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 808559 is about 899.1990880778. The cubic root of 808559 is about 93.1616643162.

The spelling of 808559 in words is "eight hundred eight thousand, five hundred fifty-nine".