528540 has 48 divisors (see below), whose sum is σ = 1548288. Its totient is φ = 134464.

The previous prime is 528527. The next prime is 528559. The reversal of 528540 is 45825.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 528540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2⁵²⁸⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774144).

528540 is an abundant number, since it is smaller than the sum of its proper divisors (1019748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528540 is a wasteful number, since it uses less digits than its factorization.

528540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 528540 is about 727.0075652976. The cubic root of 528540 is about 80.8523449336.

The spelling of 528540 in words is "five hundred twenty-eight thousand, five hundred forty".