2000243 has 4 divisors (see below), whose sum is σ = 2286000. Its totient is φ = 1714488.

The previous prime is 2000227. The next prime is 2000249. The reversal of 2000243 is 3420002.

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 2000243 - 2⁴ = 2000227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000249) 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, 142868 + ... + 142881.

It is an arithmetic number, because the mean of its divisors is an integer number (571500).

2^2000243 is an apocalyptic number.

2000243 is a deficient number, since it is larger than the sum of its proper divisors (285757).

2000243 is an equidigital number, since it uses as much as digits as its factorization.

2000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285756.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2000243 is about 1414.2994732375. The cubic root of 2000243 is about 125.9972074631.

Adding to 2000243 its reverse (3420002), we get a palindrome (5420245).

The spelling of 2000243 in words is "two million, two hundred forty-three", and thus it is an aban number.