802589 has 2 divisors, whose sum is σ = 802590. Its totient is φ = 802588.

The previous prime is 802583. The next prime is 802597. The reversal of 802589 is 985208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722500 + 80089 = 850^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 802589 - 2⁴ = 802573 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401294 + 401295.

It is an arithmetic number, because the mean of its divisors is an integer number (401295).

2⁸⁰²⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

802589 is a deficient number, since it is larger than the sum of its proper divisors (1).

802589 is an equidigital number, since it uses as much as digits as its factorization.

802589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 802589 is about 895.8733169372. The cubic root of 802589 is about 92.9318111167.

The spelling of 802589 in words is "eight hundred two thousand, five hundred eighty-nine".