504505 has 16 divisors (see below), whose sum is σ = 653184. Its totient is φ = 373120.

The previous prime is 504479. The next prime is 504521. The reversal of 504505 is 505405.

It is a happy number.

It is not a de Polignac number, because 504505 - 2⁵ = 504473 is a prime.

It is a Duffinian 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, 4662 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2⁵⁰⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

504505 is a deficient number, since it is larger than the sum of its proper divisors (148679).

504505 is a wasteful number, since it uses less digits than its factorization.

504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 504505 is about 710.2851540051. The cubic root of 504505 is about 79.6077149665.

Subtracting 504505 from its reverse (505405), we obtain a square (900 = 30²).

The spelling of 504505 in words is "five hundred four thousand, five hundred five".