182197 has 4 divisors (see below), whose sum is σ = 183456. Its totient is φ = 180940.

The previous prime is 182179. The next prime is 182201. The reversal of 182197 is 791281.

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 an emirpimes, since its reverse is a distinct semiprime: 791281 = 647 ⋅1223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182197 is a prime.

It is a Duffinian number.

182197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182107) 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 3 ways as a sum of consecutive naturals, for example, 379 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (45864).

2¹⁸²¹⁹⁷ is an apocalyptic number.

It is an amenable number.

182197 is a deficient number, since it is larger than the sum of its proper divisors (1259).

182197 is a wasteful number, since it uses less digits than its factorization.

182197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its digits is 1008, while the sum is 28.

The square root of 182197 is about 426.8454052699. The cubic root of 182197 is about 56.6909507605.

The spelling of 182197 in words is "one hundred eighty-two thousand, one hundred ninety-seven".