330445121 has 2 divisors, whose sum is σ = 330445122. Its totient is φ = 330445120.

The previous prime is 330445081. The next prime is 330445307. The reversal of 330445121 is 121544033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280897600 + 49547521 = 16760^2 + 7039^2 .

It is a cyclic number.

It is not a de Polignac number, because 330445121 - 2⁶ = 330445057 is a prime.

It is not a weakly prime, because it can be changed into another prime (330445021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165222560 + 165222561.

It is an arithmetic number, because the mean of its divisors is an integer number (165222561).

Almost surely, 2^330445121 is an apocalyptic number.

It is an amenable number.

330445121 is a deficient number, since it is larger than the sum of its proper divisors (1).

330445121 is an equidigital number, since it uses as much as digits as its factorization.

330445121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 330445121 is about 18178.1495482901. The cubic root of 330445121 is about 691.3528879024.

Adding to 330445121 its reverse (121544033), we get a palindrome (451989154).

The spelling of 330445121 in words is "three hundred thirty million, four hundred forty-five thousand, one hundred twenty-one".