330742241 has 2 divisors, whose sum is σ = 330742242. Its totient is φ = 330742240.

The previous prime is 330742229. The next prime is 330742333. The reversal of 330742241 is 142247033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328370641 + 2371600 = 18121^2 + 1540^2 .

It is an emirp because it is prime and its reverse (142247033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330742241 - 2¹⁸ = 330480097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330742241.

It is not a weakly prime, because it can be changed into another prime (330741241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165371120 + 165371121.

It is an arithmetic number, because the mean of its divisors is an integer number (165371121).

Almost surely, 2^330742241 is an apocalyptic number.

It is an amenable number.

330742241 is a deficient number, since it is larger than the sum of its proper divisors (1).

330742241 is an equidigital number, since it uses as much as digits as its factorization.

330742241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 330742241 is about 18186.3201610441. The cubic root of 330742241 is about 691.5600360000.

Adding to 330742241 its reverse (142247033), we get a palindrome (472989274).

The spelling of 330742241 in words is "three hundred thirty million, seven hundred forty-two thousand, two hundred forty-one".