578489 has 2 divisors, whose sum is σ = 578490. Its totient is φ = 578488.

The previous prime is 578483. The next prime is 578497. The reversal of 578489 is 984875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 8464 = 755^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 578489 - 2¹² = 574393 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (578483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289244 + 289245.

It is an arithmetic number, because the mean of its divisors is an integer number (289245).

2⁵⁷⁸⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

578489 is a deficient number, since it is larger than the sum of its proper divisors (1).

578489 is an equidigital number, since it uses as much as digits as its factorization.

578489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 578489 is about 760.5846435473. The cubic root of 578489 is about 83.3230262808.

The spelling of 578489 in words is "five hundred seventy-eight thousand, four hundred eighty-nine".