2185273 has 4 divisors (see below), whose sum is σ = 2188368. Its totient is φ = 2182180.

The previous prime is 2185241. The next prime is 2185279. The reversal of 2185273 is 3725812.

It is the 604-th star 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2185273 - 2⁵ = 2185241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185279) 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, 90 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (547092).

2^2185273 is an apocalyptic number.

It is an amenable number.

2185273 is a deficient number, since it is larger than the sum of its proper divisors (3095).

2185273 is a wasteful number, since it uses less digits than its factorization.

2185273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094.

The product of its digits is 3360, while the sum is 28.

The square root of 2185273 is about 1478.2668906527. The cubic root of 2185273 is about 129.7682854577.

The spelling of 2185273 in words is "two million, one hundred eighty-five thousand, two hundred seventy-three".