528343 has 4 divisors (see below), whose sum is σ = 559440. Its totient is φ = 497248.

The previous prime is 528329. The next prime is 528373. The reversal of 528343 is 343825.

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 528343 - 2¹³ = 520151 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 2¹⁹ + 3⁴ + 8³ + 4⁴ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15523 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2⁵²⁸³⁴³ is an apocalyptic number.

528343 is a deficient number, since it is larger than the sum of its proper divisors (31097).

528343 is a wasteful number, since it uses less digits than its factorization.

528343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31096.

The product of its digits is 2880, while the sum is 25.

The square root of 528343 is about 726.8720657722. The cubic root of 528343 is about 80.8422984589.

The spelling of 528343 in words is "five hundred twenty-eight thousand, three hundred forty-three".