328550563 has 4 divisors (see below), whose sum is σ = 358418808. Its totient is φ = 298682320.

The previous prime is 328550557. The next prime is 328550587. The reversal of 328550563 is 365055823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328550563 - 2¹⁷ = 328419491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328550063) 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 3 ways as a sum of consecutive naturals, for example, 14934106 + ... + 14934127.

It is an arithmetic number, because the mean of its divisors is an integer number (89604702).

Almost surely, 2^328550563 is an apocalyptic number.

328550563 is a deficient number, since it is larger than the sum of its proper divisors (29868245).

328550563 is a wasteful number, since it uses less digits than its factorization.

328550563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29868244.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 328550563 is about 18125.9637812724. The cubic root of 328550563 is about 690.0290984018.

The spelling of 328550563 in words is "three hundred twenty-eight million, five hundred fifty thousand, five hundred sixty-three".