489571 has 2 divisors, whose sum is σ = 489572. Its totient is φ = 489570.

The previous prime is 489557. The next prime is 489613. The reversal of 489571 is 175984.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489571 - 2⁵ = 489539 is a prime.

It is not a weakly prime, because it can be changed into another prime (489551) 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, 244785 + 244786.

It is an arithmetic number, because the mean of its divisors is an integer number (244786).

2⁴⁸⁹⁵⁷¹ is an apocalyptic number.

489571 is a deficient number, since it is larger than the sum of its proper divisors (1).

489571 is an equidigital number, since it uses as much as digits as its factorization.

489571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 489571 is about 699.6935043289. The cubic root of 489571 is about 78.8143372780.

The spelling of 489571 in words is "four hundred eighty-nine thousand, five hundred seventy-one".