504504045 has 20 divisors (see below), whose sum is σ = 904370940. Its totient is φ = 269068608.

The previous prime is 504504043. The next prime is 504504059. The reversal of 504504045 is 540405405.

It can be written as a sum of positive squares in 2 ways, for example, as 233539524 + 270964521 = 15282^2 + 16461^2 .

It is not a de Polignac number, because 504504045 - 2¹ = 504504043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504504043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 622440 + ... + 623249.

It is an arithmetic number, because the mean of its divisors is an integer number (45218547).

Almost surely, 2^504504045 is an apocalyptic number.

It is an amenable number.

504504045 is a deficient number, since it is larger than the sum of its proper divisors (399866895).

504504045 is a wasteful number, since it uses less digits than its factorization.

504504045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245706 (or 1245697 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 504504045 is about 22461.1674896921. The cubic root of 504504045 is about 796.0766473545.

The spelling of 504504045 in words is "five hundred four million, five hundred four thousand, forty-five".