2010643 has 4 divisors (see below), whose sum is σ = 2013480. Its totient is φ = 2007808.

The previous prime is 2010611. The next prime is 2010647. The reversal of 2010643 is 3460102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2010643 - 2⁵ = 2010611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010647) 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, 696 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (503370).

2^2010643 is an apocalyptic number.

2010643 is a deficient number, since it is larger than the sum of its proper divisors (2837).

2010643 is a wasteful number, since it uses less digits than its factorization.

2010643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2010643 is about 1417.9714383583. The cubic root of 2010643 is about 126.2151987207.

Adding to 2010643 its reverse (3460102), we get a palindrome (5470745).

The spelling of 2010643 in words is "two million, ten thousand, six hundred forty-three".