528213 has 8 divisors (see below), whose sum is σ = 804928. Its totient is φ = 301824.

The previous prime is 528197. The next prime is 528217. The reversal of 528213 is 312825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 528213 - 2⁴ = 528197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 25153 = 528213 / (5 + 2 + 8 + 2 + 1 + 3).

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 528213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12556 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (100616).

2⁵²⁸²¹³ is an apocalyptic number.

It is an amenable number.

528213 is a deficient number, since it is larger than the sum of its proper divisors (276715).

528213 is a wasteful number, since it uses less digits than its factorization.

528213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25163.

The product of its digits is 480, while the sum is 21.

The square root of 528213 is about 726.7826360061. The cubic root of 528213 is about 80.8356674377.

It can be divided in two parts, 528 and 213, that added together give a triangular number (741 = T₃₈).

The spelling of 528213 in words is "five hundred twenty-eight thousand, two hundred thirteen".