505028 has 6 divisors (see below), whose sum is σ = 883806. Its totient is φ = 252512.

The previous prime is 505027. The next prime is 505031. The reversal of 505028 is 820505.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 31684 = 688^2 + 178^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505028.

It is not an unprimeable number, because it can be changed into a prime (505027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63125 + ... + 63132.

It is an arithmetic number, because the mean of its divisors is an integer number (147301).

2⁵⁰⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

505028 is a deficient number, since it is larger than the sum of its proper divisors (378778).

505028 is a wasteful number, since it uses less digits than its factorization.

505028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126261 (or 126259 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 505028 is about 710.6532206358. The cubic root of 505028 is about 79.6352141694.

The spelling of 505028 in words is "five hundred five thousand, twenty-eight".