327122405 has 4 divisors (see below), whose sum is σ = 392546892. Its totient is φ = 261697920.

The previous prime is 327122401. The next prime is 327122423. The reversal of 327122405 is 504221723.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106213636 + 220908769 = 10306^2 + 14863^2 .

It is not a de Polignac number, because 327122405 - 2² = 327122401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327122401) 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, 32712236 + ... + 32712245.

It is an arithmetic number, because the mean of its divisors is an integer number (98136723).

Almost surely, 2^327122405 is an apocalyptic number.

It is an amenable number.

327122405 is a deficient number, since it is larger than the sum of its proper divisors (65424487).

327122405 is an equidigital number, since it uses as much as digits as its factorization.

327122405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65424486.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 327122405 is about 18086.5255093398. The cubic root of 327122405 is about 689.0278299598.

The spelling of 327122405 in words is "three hundred twenty-seven million, one hundred twenty-two thousand, four hundred five".