2172163 has 8 divisors (see below), whose sum is σ = 2495232. Its totient is φ = 1852296.

The previous prime is 2172161. The next prime is 2172173. The reversal of 2172163 is 3612712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2172163 - 2¹ = 2172161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (311904).

2^2172163 is an apocalyptic number.

2172163 is a deficient number, since it is larger than the sum of its proper divisors (323069).

2172163 is a wasteful number, since it uses less digits than its factorization.

2172163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 504, while the sum is 22.

The square root of 2172163 is about 1473.8259734446. The cubic root of 2172163 is about 129.5082606300.

Adding to 2172163 its reverse (3612712), we get a palindrome (5784875).

The spelling of 2172163 in words is "two million, one hundred seventy-two thousand, one hundred sixty-three".