504045 has 24 divisors (see below), whose sum is σ = 913536. Its totient is φ = 256608.

The previous prime is 504017. The next prime is 504047. The reversal of 504045 is 540405.

It is a happy number.

504045 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 504045 - 2¹¹ = 501997 is a prime.

It is a super-2 number, since 2×504045² = 508122724050, which contains 22 as substring.

504045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (38064).

2⁵⁰⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

504045 is a deficient number, since it is larger than the sum of its proper divisors (409491).

504045 is a wasteful number, since it uses less digits than its factorization.

504045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 504045 is about 709.9612665491. The cubic root of 504045 is about 79.5835125739.

It can be divided in two parts, 50 and 4045, that added together give a triangular number (4095 = T₉₀).

The spelling of 504045 in words is "five hundred four thousand, forty-five".