327161 has 8 divisors (see below), whose sum is σ = 350880. Its totient is φ = 304128.

The previous prime is 327133. The next prime is 327163. The reversal of 327161 is 161723.

It is a happy number.

327161 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327161 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 327161.

It is not an unprimeable number, because it can be changed into a prime (327163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (43860).

2³²⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

327161 is a deficient number, since it is larger than the sum of its proper divisors (23719).

327161 is a wasteful number, since it uses less digits than its factorization.

327161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its digits is 252, while the sum is 20.

The square root of 327161 is about 571.9798947516. The cubic root of 327161 is about 68.9054926833.

Adding to 327161 its reverse (161723), we get a palindrome (488884).

The spelling of 327161 in words is "three hundred twenty-seven thousand, one hundred sixty-one".