528551 has 4 divisors (see below), whose sum is σ = 531432. Its totient is φ = 525672.

The previous prime is 528527. The next prime is 528559. The reversal of 528551 is 155825.

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 528551 - 2⁶ = 528487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (132858).

2⁵²⁸⁵⁵¹ is an apocalyptic number.

528551 is a deficient number, since it is larger than the sum of its proper divisors (2881).

528551 is a wasteful number, since it uses less digits than its factorization.

528551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880.

The product of its digits is 2000, while the sum is 26.

The square root of 528551 is about 727.0151305166. The cubic root of 528551 is about 80.8529058307.

The spelling of 528551 in words is "five hundred twenty-eight thousand, five hundred fifty-one".