2147173 has 4 divisors (see below), whose sum is σ = 2453920. Its totient is φ = 1840428.

The previous prime is 2147161. The next prime is 2147177. The reversal of 2147173 is 3717412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2147173 - 2¹⁷ = 2016101 is a prime.

It is a super-2 number, since 2×2147173² = 9220703783858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147177) 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, 153363 + ... + 153376.

It is an arithmetic number, because the mean of its divisors is an integer number (613480).

2^2147173 is an apocalyptic number.

It is an amenable number.

2147173 is a deficient number, since it is larger than the sum of its proper divisors (306747).

2147173 is an equidigital number, since it uses as much as digits as its factorization.

2147173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306746.

The product of its digits is 1176, while the sum is 25.

The square root of 2147173 is about 1465.3235137675. The cubic root of 2147173 is about 129.0096942017.

The spelling of 2147173 in words is "two million, one hundred forty-seven thousand, one hundred seventy-three".