528925 has 6 divisors (see below), whose sum is σ = 655898. Its totient is φ = 423120.

The previous prime is 528911. The next prime is 528929. The reversal of 528925 is 529825.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1849 + 527076 = 43^2 + 726^2 .

It is not a de Polignac number, because 528925 - 2⁹ = 528413 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528929) 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 5 ways as a sum of consecutive naturals, for example, 10554 + ... + 10603.

2⁵²⁸⁹²⁵ is an apocalyptic number.

It is an amenable number.

528925 is a deficient number, since it is larger than the sum of its proper divisors (126973).

528925 is a wasteful number, since it uses less digits than its factorization.

528925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167 (or 21162 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 528925 is about 727.2723011362. The cubic root of 528925 is about 80.8719717028.

Subtracting 528925 from its reverse (529825), we obtain a square (900 = 30²).

The spelling of 528925 in words is "five hundred twenty-eight thousand, nine hundred twenty-five".