330421325 has 12 divisors (see below), whose sum is σ = 441239988. Its totient is φ = 244003200.

The previous prime is 330421321. The next prime is 330421349. The reversal of 330421325 is 523124033.

It can be written as a sum of positive squares in 6 ways, for example, as 61559716 + 268861609 = 7846^2 + 16397^2 .

It is not a de Polignac number, because 330421325 - 2² = 330421321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330421325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330421321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508016 + ... + 508665.

It is an arithmetic number, because the mean of its divisors is an integer number (36769999).

Almost surely, 2^330421325 is an apocalyptic number.

It is an amenable number.

330421325 is a deficient number, since it is larger than the sum of its proper divisors (110818663).

330421325 is a wasteful number, since it uses less digits than its factorization.

330421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016704 (or 1016699 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 330421325 is about 18177.4950144402. The cubic root of 330421325 is about 691.3362922791.

Adding to 330421325 its reverse (523124033), we get a palindrome (853545358).

The spelling of 330421325 in words is "three hundred thirty million, four hundred twenty-one thousand, three hundred twenty-five".