200539 has 4 divisors (see below), whose sum is σ = 207040. Its totient is φ = 194040.

The previous prime is 200513. The next prime is 200569. The reversal of 200539 is 935002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200539 - 2¹¹ = 198491 is a prime.

It is a Duffinian number.

200539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (200569) 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 in 3 ways as a sum of consecutive naturals, for example, 3204 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (51760).

2²⁰⁰⁵³⁹ is an apocalyptic number.

200539 is a deficient number, since it is larger than the sum of its proper divisors (6501).

200539 is an equidigital number, since it uses as much as digits as its factorization.

200539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 200539 is about 447.8158103506. The cubic root of 200539 is about 58.5328424930.

The spelling of 200539 in words is "two hundred thousand, five hundred thirty-nine".