182005 has 8 divisors (see below), whose sum is σ = 221400. Its totient is φ = 143616.

The previous prime is 181997. The next prime is 182009. The reversal of 182005 is 500281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 154449 = 166^2 + 393^2 .

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 182005 - 2³ = 181997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 182005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (27675).

2¹⁸²⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

182005 is a deficient number, since it is larger than the sum of its proper divisors (39395).

182005 is an equidigital number, since it uses as much as digits as its factorization.

182005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 182005 is about 426.6204402042. The cubic root of 182005 is about 56.6710300369.

Adding to 182005 its reverse (500281), we get a palindrome (682286).

The spelling of 182005 in words is "one hundred eighty-two thousand, five".