505005 has 16 divisors (see below), whose sum is σ = 817344. Its totient is φ = 266240.

The previous prime is 504991. The next prime is 505027. The reversal of 505005 is 500505.

It is not a de Polignac number, because 505005 - 2⁴ = 504989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (51084).

2⁵⁰⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

505005 is a deficient number, since it is larger than the sum of its proper divisors (312339).

505005 is a wasteful number, since it uses less digits than its factorization.

505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 125, while the sum is 15.

The square root of 505005 is about 710.6370381566. The cubic root of 505005 is about 79.6340052347.

It can be divided in two parts, 50500 and 5, that added together give a palindrome (50505).

The spelling of 505005 in words is "five hundred five thousand, five".