328885045225 has 27 divisors (see below), whose sum is σ = 448305157111. Its totient is φ = 239166184400.

The previous prime is 328885045211. The next prime is 328885045231. The reversal of 328885045225 is 522540588823.

The square root of 328885045225 is 573485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118398616281 + 210486428944 = 344091^2 + 458788^2 .

It is not a de Polignac number, because 328885045225 - 2¹¹ = 328885043177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31536462 + ... + 31546888.

Almost surely, 2^328885045225 is an apocalyptic number.

328885045225 is the 573485-th square number.

328885045225 is the 286743-rd centered octagonal number.

It is an amenable number.

328885045225 is a deficient number, since it is larger than the sum of its proper divisors (119420111886).

328885045225 is an frugal number, since it uses more digits than its factorization.

328885045225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886 (or 10443 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 52.

The spelling of 328885045225 in words is "three hundred twenty-eight billion, eight hundred eighty-five million, forty-five thousand, two hundred twenty-five".