459813 has 4 divisors (see below), whose sum is σ = 613088. Its totient is φ = 306540.

The previous prime is 459803. The next prime is 459817. The reversal of 459813 is 318954.

459813 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 459813 - 2⁶ = 459749 is a prime.

It is a super-2 number, since 2×459813² = 422855989938, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76633 + ... + 76638.

It is an arithmetic number, because the mean of its divisors is an integer number (153272).

2⁴⁵⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

459813 is a deficient number, since it is larger than the sum of its proper divisors (153275).

459813 is a wasteful number, since it uses less digits than its factorization.

459813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153274.

The product of its digits is 4320, while the sum is 30.

The square root of 459813 is about 678.0951260701. The cubic root of 459813 is about 77.1839644717.

The spelling of 459813 in words is "four hundred fifty-nine thousand, eight hundred thirteen".