459009 has 6 divisors (see below), whose sum is σ = 663026. Its totient is φ = 306000.

The previous prime is 459007. The next prime is 459013. The reversal of 459009 is 900954.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 23409 = 660^2 + 153^2 .

It is not a de Polignac number, because 459009 - 2¹ = 459007 is a prime.

It is a Duffinian number.

It is a Curzon number.

459009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (459007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25492 + ... + 25509.

2⁴⁵⁹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

459009 is a deficient number, since it is larger than the sum of its proper divisors (204017).

459009 is a wasteful number, since it uses less digits than its factorization.

459009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51007 (or 51004 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 459009 is about 677.5020295173. The cubic root of 459009 is about 77.1389518893.

The spelling of 459009 in words is "four hundred fifty-nine thousand, nine".