181327 has 4 divisors (see below), whose sum is σ = 182520. Its totient is φ = 180136.

The previous prime is 181303. The next prime is 181361. The reversal of 181327 is 723181.

181327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 181327 - 2⁷ = 181199 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

181327 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 181298 and 181307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181387) 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, 328 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2¹⁸¹³²⁷ is an apocalyptic number.

181327 is a deficient number, since it is larger than the sum of its proper divisors (1193).

181327 is a wasteful number, since it uses less digits than its factorization.

181327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its digits is 336, while the sum is 22.

The square root of 181327 is about 425.8250814595. The cubic root of 181327 is about 56.6005726904.

The spelling of 181327 in words is "one hundred eighty-one thousand, three hundred twenty-seven".