330307825 has 12 divisors (see below), whose sum is σ = 423706140. Its totient is φ = 255133760.

The previous prime is 330307781. The next prime is 330307829. The reversal of 330307825 is 528703033.

It can be written as a sum of positive squares in 6 ways, for example, as 667489 + 329640336 = 817^2 + 18156^2 .

It is not a de Polignac number, because 330307825 - 2²³ = 321919217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330307829) 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 11 ways as a sum of consecutive naturals, for example, 227074 + ... + 228523.

It is an arithmetic number, because the mean of its divisors is an integer number (35308845).

Almost surely, 2^330307825 is an apocalyptic number.

It is an amenable number.

330307825 is a deficient number, since it is larger than the sum of its proper divisors (93398315).

330307825 is a wasteful number, since it uses less digits than its factorization.

330307825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455636 (or 455631 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 330307825 is about 18174.3727539632. The cubic root of 330307825 is about 691.2571250166.

The spelling of 330307825 in words is "three hundred thirty million, three hundred seven thousand, eight hundred twenty-five".