2163273 has 16 divisors (see below), whose sum is σ = 3403776. Its totient is φ = 1195920.

The previous prime is 2163263. The next prime is 2163281. The reversal of 2163273 is 3723612.

It is not a de Polignac number, because 2163273 - 2⁵ = 2163241 is a prime.

2163273 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163223) 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, 1011 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (212736).

2^2163273 is an apocalyptic number.

It is an amenable number.

2163273 is a deficient number, since it is larger than the sum of its proper divisors (1240503).

2163273 is a wasteful number, since it uses less digits than its factorization.

2163273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its digits is 1512, while the sum is 24.

The square root of 2163273 is about 1470.8069213870. The cubic root of 2163273 is about 129.3313397917.

Adding to 2163273 its reverse (3723612), we get a palindrome (5886885).

The spelling of 2163273 in words is "two million, one hundred sixty-three thousand, two hundred seventy-three".