200813 has 4 divisors (see below), whose sum is σ = 209568. Its totient is φ = 192060.

The previous prime is 200807. The next prime is 200843. The reversal of 200813 is 318002.

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 a cyclic number.

It is not a de Polignac number, because 200813 - 2⁴ = 200797 is a prime.

It is a Duffinian number.

200813 is a modest number, since divided by 813 gives 2 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (52392).

2²⁰⁰⁸¹³ is an apocalyptic number.

200813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

200813 is a deficient number, since it is larger than the sum of its proper divisors (8755).

200813 is an equidigital number, since it uses as much as digits as its factorization.

200813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 200813 is about 448.1216352733. The cubic root of 200813 is about 58.5594885154.

Adding to 200813 its reverse (318002), we get a palindrome (518815).

The spelling of 200813 in words is "two hundred thousand, eight hundred thirteen".