504217 has 4 divisors (see below), whose sum is σ = 576256. Its totient is φ = 432180.

The previous prime is 504209. The next prime is 504221. The reversal of 504217 is 712405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 504217 - 2³ = 504209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504194 and 504203.

It is not an unprimeable number, because it can be changed into a prime (504247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36009 + ... + 36022.

It is an arithmetic number, because the mean of its divisors is an integer number (144064).

2⁵⁰⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

504217 is a deficient number, since it is larger than the sum of its proper divisors (72039).

504217 is an equidigital number, since it uses as much as digits as its factorization.

504217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72038.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 504217 is about 710.0823895859. The cubic root of 504217 is about 79.5925638871.

The spelling of 504217 in words is "five hundred four thousand, two hundred seventeen".