327352561 has 4 divisors (see below), whose sum is σ = 346608612. Its totient is φ = 308096512.

The previous prime is 327352559. The next prime is 327352573. The reversal of 327352561 is 165253723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165253723 = 211 ⋅783193.

It can be written as a sum of positive squares in 2 ways, for example, as 280361536 + 46991025 = 16744^2 + 6855^2 .

It is a cyclic number.

It is not a de Polignac number, because 327352561 - 2¹ = 327352559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327352541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9628000 + ... + 9628033.

It is an arithmetic number, because the mean of its divisors is an integer number (86652153).

Almost surely, 2^327352561 is an apocalyptic number.

It is an amenable number.

327352561 is a deficient number, since it is larger than the sum of its proper divisors (19256051).

327352561 is a wasteful number, since it uses less digits than its factorization.

327352561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256050.

The product of its digits is 37800, while the sum is 34.

The square root of 327352561 is about 18092.8870277797. The cubic root of 327352561 is about 689.1893869278.

The spelling of 327352561 in words is "three hundred twenty-seven million, three hundred fifty-two thousand, five hundred sixty-one".