2110643 has 4 divisors (see below), whose sum is σ = 2137440. Its totient is φ = 2083848.

The previous prime is 2110637. The next prime is 2110657. The reversal of 2110643 is 3460112.

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 2110643 - 2⁴ = 2110627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110673) 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, 13280 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (534360).

2^2110643 is an apocalyptic number.

2110643 is a deficient number, since it is larger than the sum of its proper divisors (26797).

2110643 is an equidigital number, since it uses as much as digits as its factorization.

2110643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26796.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2110643 is about 1452.8052175016. The cubic root of 2110643 is about 128.2738886251.

Adding to 2110643 its reverse (3460112), we get a palindrome (5570755).

The spelling of 2110643 in words is "two million, one hundred ten thousand, six hundred forty-three".