504481 has 4 divisors (see below), whose sum is σ = 508464. Its totient is φ = 500500.

The previous prime is 504479. The next prime is 504521. The reversal of 504481 is 184405.

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 504481 - 2¹ = 504479 is a prime.

It is a super-2 number, since 2×504481² = 509002158722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (504461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (127116).

2⁵⁰⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

504481 is a deficient number, since it is larger than the sum of its proper divisors (3983).

504481 is a wasteful number, since it uses less digits than its factorization.

504481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 504481 is about 710.2682591810. The cubic root of 504481 is about 79.6064525968.

Adding to 504481 its reverse (184405), we get a palindrome (688886).

The spelling of 504481 in words is "five hundred four thousand, four hundred eighty-one".