504493 has 4 divisors (see below), whose sum is σ = 550368. Its totient is φ = 458620.

The previous prime is 504479. The next prime is 504521. The reversal of 504493 is 394405.

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 504493 - 2⁵ = 504461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504403) 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, 22921 + ... + 22942.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2⁵⁰⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

504493 is a deficient number, since it is larger than the sum of its proper divisors (45875).

504493 is a wasteful number, since it uses less digits than its factorization.

504493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45874.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 504493 is about 710.2767066433. The cubic root of 504493 is about 79.6070837866.

Adding to 504493 its reverse (394405), we get a palindrome (898898).

The spelling of 504493 in words is "five hundred four thousand, four hundred ninety-three".