505026 has 12 divisors (see below), whose sum is σ = 1094262. Its totient is φ = 168336.

The previous prime is 504991. The next prime is 505027. The reversal of 505026 is 620505.

It can be written as a sum of positive squares in only one way, i.e., 423801 + 81225 = 651^2 + 285^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 28057 = 505026 / (5 + 0 + 5 + 0 + 2 + 6).

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

505026 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 5 ways as a sum of consecutive naturals, for example, 14011 + ... + 14046.

2⁵⁰⁵⁰²⁶ is an apocalyptic number.

505026 is an abundant number, since it is smaller than the sum of its proper divisors (589236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505026 is a wasteful number, since it uses less digits than its factorization.

505026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28065 (or 28062 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 505026 is about 710.6518134783. The cubic root of 505026 is about 79.6351090461.

The spelling of 505026 in words is "five hundred five thousand, twenty-six".