328552625 has 16 divisors (see below), whose sum is σ = 434156112. Its totient is φ = 247379200.

The previous prime is 328552621. The next prime is 328552673. The reversal of 328552625 is 526255823.

It can be written as a sum of positive squares in 8 ways, for example, as 141300769 + 187251856 = 11887^2 + 13684^2 .

It is not a de Polignac number, because 328552625 - 2² = 328552621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328552621) 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 15 ways as a sum of consecutive naturals, for example, 75182 + ... + 79431.

It is an arithmetic number, because the mean of its divisors is an integer number (27134757).

Almost surely, 2^328552625 is an apocalyptic number.

It is an amenable number.

328552625 is a deficient number, since it is larger than the sum of its proper divisors (105603487).

328552625 is a wasteful number, since it uses less digits than its factorization.

328552625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154645 (or 154635 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 328552625 is about 18126.0206609173. The cubic root of 328552625 is about 690.0305419513.

The spelling of 328552625 in words is "three hundred twenty-eight million, five hundred fifty-two thousand, six hundred twenty-five".