505528 has 16 divisors (see below), whose sum is σ = 981000. Its totient is φ = 243936.

The previous prime is 505523. The next prime is 505537. The reversal of 505528 is 825505.

505528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505523) by changing a digit.

505528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858 + ... + 1321.

2⁵⁰⁵⁵²⁸ is an apocalyptic number.

505528 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

505528 is a deficient number, since it is larger than the sum of its proper divisors (475472).

505528 is a wasteful number, since it uses less digits than its factorization.

505528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 505528 is about 711.0049226271. The cubic root of 505528 is about 79.6614862929.

Adding to 505528 its product of nonzero digits (2000), we get a triangular number (507528 = T₁₀₀₇).

The spelling of 505528 in words is "five hundred five thousand, five hundred twenty-eight".