2021163 has 16 divisors (see below), whose sum is σ = 2889600. Its totient is φ = 1252800.

The previous prime is 2021143. The next prime is 2021167. The reversal of 2021163 is 3611202.

It is not a de Polignac number, because 2021163 - 2⁶ = 2021099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3063 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (180600).

2^2021163 is an apocalyptic number.

2021163 is a deficient number, since it is larger than the sum of its proper divisors (868437).

2021163 is a wasteful number, since it uses less digits than its factorization.

2021163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2021163 is about 1421.6761234543. The cubic root of 2021163 is about 126.4349418367.

Adding to 2021163 its reverse (3611202), we get a palindrome (5632365).

The spelling of 2021163 in words is "two million, twenty-one thousand, one hundred sixty-three".