330335641 has 4 divisors (see below), whose sum is σ = 330770484. Its totient is φ = 329900800.

The previous prime is 330335639. The next prime is 330335651. The reversal of 330335641 is 146533033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146533033 = 2017 ⋅72649.

It can be written as a sum of positive squares in 2 ways, for example, as 34633225 + 295702416 = 5885^2 + 17196^2 .

It is a cyclic number.

It is not a de Polignac number, because 330335641 - 2¹ = 330335639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330335651) 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, 216280 + ... + 217801.

It is an arithmetic number, because the mean of its divisors is an integer number (82692621).

Almost surely, 2^330335641 is an apocalyptic number.

It is an amenable number.

330335641 is a deficient number, since it is larger than the sum of its proper divisors (434843).

330335641 is an equidigital number, since it uses as much as digits as its factorization.

330335641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434842.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 330335641 is about 18175.1379912231. The cubic root of 330335641 is about 691.2765286022.

Adding to 330335641 its reverse (146533033), we get a palindrome (476868674).

The spelling of 330335641 in words is "three hundred thirty million, three hundred thirty-five thousand, six hundred forty-one".