328532500 has 30 divisors (see below), whose sum is σ = 718440338. Its totient is φ = 131412000.

The previous prime is 328532459. The next prime is 328532521. The reversal of 328532500 is 5235823.

It can be written as a sum of positive squares in 5 ways, for example, as 60031504 + 268500996 = 7748^2 + 16386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 63207 + ... + 68206.

Almost surely, 2^328532500 is an apocalyptic number.

It is an amenable number.

328532500 is an abundant number, since it is smaller than the sum of its proper divisors (389907838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328532500 is a wasteful number, since it uses less digits than its factorization.

328532500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131437 (or 131420 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 328532500 is about 18125.4655112634. The cubic root of 328532500 is about 690.0164527338.

It can be divided in two parts, 32853 and 2500, that added together give a palindrome (35353).

The spelling of 328532500 in words is "three hundred twenty-eight million, five hundred thirty-two thousand, five hundred".