528919 has 4 divisors (see below), whose sum is σ = 530640. Its totient is φ = 527200.

The previous prime is 528911. The next prime is 528929. The reversal of 528919 is 919825.

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 528919 - 2³ = 528911 is a prime.

It is a super-2 number, since 2×528919² = 559510617122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528911) 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, 259 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (132660).

2⁵²⁸⁹¹⁹ is an apocalyptic number.

528919 is a deficient number, since it is larger than the sum of its proper divisors (1721).

528919 is a wasteful number, since it uses less digits than its factorization.

528919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its digits is 6480, while the sum is 34.

The square root of 528919 is about 727.2681761221. The cubic root of 528919 is about 80.8716659041.

It can be divided in two parts, 52891 and 9, that added together give a square (52900 = 230²).

The spelling of 528919 in words is "five hundred twenty-eight thousand, nine hundred nineteen".