528553 has 4 divisors (see below), whose sum is σ = 534100. Its totient is φ = 523008.

The previous prime is 528527. The next prime is 528559. The reversal of 528553 is 355825.

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 135424 + 393129 = 368^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 528553 - 2⁹ = 528041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528559) 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, 2628 + ... + 2821.

It is an arithmetic number, because the mean of its divisors is an integer number (133525).

2⁵²⁸⁵⁵³ is an apocalyptic number.

It is an amenable number.

528553 is a deficient number, since it is larger than the sum of its proper divisors (5547).

528553 is an equidigital number, since it uses as much as digits as its factorization.

528553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546.

The product of its digits is 6000, while the sum is 28.

The square root of 528553 is about 727.0165060024. The cubic root of 528553 is about 80.8530078112.

It can be divided in two parts, 528 and 553, that added together give a triangular number (1081 = T₄₆).

The spelling of 528553 in words is "five hundred twenty-eight thousand, five hundred fifty-three".