528633 has 16 divisors (see below), whose sum is σ = 895360. Its totient is φ = 301968.

The previous prime is 528631. The next prime is 528659. The reversal of 528633 is 336825.

528633 is a `hidden beast` number, since 5 + 28 + 633 = 666.

It is not a de Polignac number, because 528633 - 2¹ = 528631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 5³ + 2¹⁹ + 6⁴ + 8 + 3⁶ + 3⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528597 and 528606.

It is not an unprimeable number, because it can be changed into a prime (528631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (55960).

2⁵²⁸⁶³³ is an apocalyptic number.

It is an amenable number.

528633 is a deficient number, since it is larger than the sum of its proper divisors (366727).

528633 is a wasteful number, since it uses less digits than its factorization.

528633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2807 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 528633 is about 727.0715233043. The cubic root of 528633 is about 80.8570868183.

The spelling of 528633 in words is "five hundred twenty-eight thousand, six hundred thirty-three".