327122165 has 4 divisors (see below), whose sum is σ = 392546604. Its totient is φ = 261697728.

The previous prime is 327122153. The next prime is 327122227. The reversal of 327122165 is 561221723.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561221723 = 593 ⋅946411.

It can be written as a sum of positive squares in 2 ways, for example, as 115390564 + 211731601 = 10742^2 + 14551^2 .

It is a cyclic number.

It is not a de Polignac number, because 327122165 - 2⁸ = 327121909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32712212 + ... + 32712221.

It is an arithmetic number, because the mean of its divisors is an integer number (98136651).

Almost surely, 2^327122165 is an apocalyptic number.

It is an amenable number.

327122165 is a deficient number, since it is larger than the sum of its proper divisors (65424439).

327122165 is an equidigital number, since it uses as much as digits as its factorization.

327122165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65424438.

The product of its digits is 5040, while the sum is 29.

The square root of 327122165 is about 18086.5188745651. The cubic root of 327122165 is about 689.0276614534.

Adding to 327122165 its reverse (561221723), we get a palindrome (888343888).

The spelling of 327122165 in words is "three hundred twenty-seven million, one hundred twenty-two thousand, one hundred sixty-five".