328553 has 4 divisors (see below), whose sum is σ = 331908. Its totient is φ = 325200.

The previous prime is 328543. The next prime is 328579. The reversal of 328553 is 355823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 5929 = 568^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 328553 - 2¹⁰ = 327529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (82977).

2³²⁸⁵⁵³ is an apocalyptic number.

It is an amenable number.

328553 is a deficient number, since it is larger than the sum of its proper divisors (3355).

328553 is a wasteful number, since it uses less digits than its factorization.

328553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354.

The product of its digits is 3600, while the sum is 26.

The square root of 328553 is about 573.1954291513. The cubic root of 328553 is about 69.0030804478.

The spelling of 328553 in words is "three hundred twenty-eight thousand, five hundred fifty-three".