504213 has 4 divisors (see below), whose sum is σ = 672288. Its totient is φ = 336140.

The previous prime is 504209. The next prime is 504221. The reversal of 504213 is 312405.

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 a cyclic number.

It is not a de Polignac number, because 504213 - 2² = 504209 is a prime.

It is a D-number.

504213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 504192 and 504201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503213) 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, 84033 + ... + 84038.

It is an arithmetic number, because the mean of its divisors is an integer number (168072).

2⁵⁰⁴²¹³ is an apocalyptic number.

It is an amenable number.

504213 is a deficient number, since it is larger than the sum of its proper divisors (168075).

504213 is a wasteful number, since it uses less digits than its factorization.

504213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168074.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 504213 is about 710.0795730057. The cubic root of 504213 is about 79.5923534148.

Adding to 504213 its reverse (312405), we get a palindrome (816618).

It can be divided in two parts, 504 and 213, that added together give a palindrome (717).

The spelling of 504213 in words is "five hundred four thousand, two hundred thirteen".