327491 has 2 divisors, whose sum is σ = 327492. Its totient is φ = 327490.

The previous prime is 327479. The next prime is 327493. The reversal of 327491 is 194723.

It is a strong prime.

It is an emirp because it is prime and its reverse (194723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327491 - 2¹⁰ = 326467 is a prime.

Together with 327493, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327491.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 327491.

It is not a weakly prime, because it can be changed into another prime (327493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163745 + 163746.

It is an arithmetic number, because the mean of its divisors is an integer number (163746).

2³²⁷⁴⁹¹ is an apocalyptic number.

327491 is a deficient number, since it is larger than the sum of its proper divisors (1).

327491 is an equidigital number, since it uses as much as digits as its factorization.

327491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 327491 is about 572.2682937224. The cubic root of 327491 is about 68.9286527090.

It can be divided in two parts, 327 and 491, that added together give a palindrome (818).

The spelling of 327491 in words is "three hundred twenty-seven thousand, four hundred ninety-one".