528915 has 16 divisors (see below), whose sum is σ = 870048. Its totient is φ = 274176.

The previous prime is 528911. The next prime is 528929. The reversal of 528915 is 519825.

It is not a de Polignac number, because 528915 - 2² = 528911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (54378).

2⁵²⁸⁹¹⁵ is an apocalyptic number.

528915 is a deficient number, since it is larger than the sum of its proper divisors (341133).

528915 is a wasteful number, since it uses less digits than its factorization.

528915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its digits is 3600, while the sum is 30.

The square root of 528915 is about 727.2654260997. The cubic root of 528915 is about 80.8714620371.

It can be divided in two parts, 5 and 28915, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 528915 in words is "five hundred twenty-eight thousand, nine hundred fifteen".