330532481 has 4 divisors (see below), whose sum is σ = 330960852. Its totient is φ = 330104112.

The previous prime is 330532469. The next prime is 330532487. The reversal of 330532481 is 184235033.

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 111492481 + 219040000 = 10559^2 + 14800^2 .

It is a cyclic number.

It is not a de Polignac number, because 330532481 - 2¹⁸ = 330270337 is a prime.

It is a super-3 number, since 3×330532481³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330532487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213026 + ... + 214571.

It is an arithmetic number, because the mean of its divisors is an integer number (82740213).

Almost surely, 2^330532481 is an apocalyptic number.

It is an amenable number.

330532481 is a deficient number, since it is larger than the sum of its proper divisors (428371).

330532481 is an equidigital number, since it uses as much as digits as its factorization.

330532481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428370.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 330532481 is about 18180.5522743397. The cubic root of 330532481 is about 691.4138070111.

The spelling of 330532481 in words is "three hundred thirty million, five hundred thirty-two thousand, four hundred eighty-one".