2167171 has 4 divisors (see below), whose sum is σ = 2179872. Its totient is φ = 2154472.

The previous prime is 2167163. The next prime is 2167183. The reversal of 2167171 is 1717612.

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 2167171 - 2³ = 2167163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167111) 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 3 ways as a sum of consecutive naturals, for example, 6091 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (544968).

2^2167171 is an apocalyptic number.

2167171 is a deficient number, since it is larger than the sum of its proper divisors (12701).

2167171 is a wasteful number, since it uses less digits than its factorization.

2167171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12700.

The product of its digits is 588, while the sum is 25.

The square root of 2167171 is about 1472.1314479353. The cubic root of 2167171 is about 129.4089738622.

The spelling of 2167171 in words is "two million, one hundred sixty-seven thousand, one hundred seventy-one".