80489 has 2 divisors, whose sum is σ = 80490. Its totient is φ = 80488.

The previous prime is 80473. The next prime is 80491. The reversal of 80489 is 98408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 400 = 283^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 80489 - 2⁴ = 80473 is a prime.

Together with 80491, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not a weakly prime, because it can be changed into another prime (80429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40244 + 40245.

It is an arithmetic number, because the mean of its divisors is an integer number (40245).

2⁸⁰⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

80489 is a deficient number, since it is larger than the sum of its proper divisors (1).

80489 is an equidigital number, since it uses as much as digits as its factorization.

80489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80489 is about 283.7058335671. The cubic root of 80489 is about 43.1763087406.

The spelling of 80489 in words is "eighty thousand, four hundred eighty-nine".