327765481 has 2 divisors, whose sum is σ = 327765482. Its totient is φ = 327765480.

The previous prime is 327765469. The next prime is 327765509. The reversal of 327765481 is 184567723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271755225 + 56010256 = 16485^2 + 7484^2 .

It is an emirp because it is prime and its reverse (184567723) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327765481 is a prime.

It is a super-2 number, since 2×327765481² = 214860421070322722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (327765461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163882740 + 163882741.

It is an arithmetic number, because the mean of its divisors is an integer number (163882741).

Almost surely, 2^327765481 is an apocalyptic number.

It is an amenable number.

327765481 is a deficient number, since it is larger than the sum of its proper divisors (1).

327765481 is an equidigital number, since it uses as much as digits as its factorization.

327765481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 327765481 is about 18104.2945457701. The cubic root of 327765481 is about 689.4790445667.

The spelling of 327765481 in words is "three hundred twenty-seven million, seven hundred sixty-five thousand, four hundred eighty-one".