200913 has 8 divisors (see below), whose sum is σ = 270048. Its totient is φ = 132864.

The previous prime is 200909. The next prime is 200927. The reversal of 200913 is 319002.

200913 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200913 - 2² = 200909 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200892 and 200901.

It is not an unprimeable number, because it can be changed into a prime (200903) 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 7 ways as a sum of consecutive naturals, for example, 406 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (33756).

2²⁰⁰⁹¹³ is an apocalyptic number.

It is an amenable number.

200913 is a deficient number, since it is larger than the sum of its proper divisors (69135).

200913 is a wasteful number, since it uses less digits than its factorization.

200913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 200913 is about 448.2331982350. The cubic root of 200913 is about 58.5692073037.

Adding to 200913 its reverse (319002), we get a palindrome (519915).

The spelling of 200913 in words is "two hundred thousand, nine hundred thirteen".