330144401 has 2 divisors, whose sum is σ = 330144402. Its totient is φ = 330144400.

The previous prime is 330144337. The next prime is 330144413. The reversal of 330144401 is 104441033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329785600 + 358801 = 18160^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 330144401 - 2⁶ = 330144337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (330144431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165072200 + 165072201.

It is an arithmetic number, because the mean of its divisors is an integer number (165072201).

Almost surely, 2^330144401 is an apocalyptic number.

It is an amenable number.

330144401 is a deficient number, since it is larger than the sum of its proper divisors (1).

330144401 is an equidigital number, since it uses as much as digits as its factorization.

330144401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 330144401 is about 18169.8761966063. The cubic root of 330144401 is about 691.1431034568.

Adding to 330144401 its reverse (104441033), we get a palindrome (434585434).

The spelling of 330144401 in words is "three hundred thirty million, one hundred forty-four thousand, four hundred one".