504478305 has 12 divisors (see below), whose sum is σ = 874429140. Its totient is φ = 269055072.

The previous prime is 504478277. The next prime is 504478361. The reversal of 504478305 is 503874405.

It can be written as a sum of positive squares in 2 ways, for example, as 69505569 + 434972736 = 8337^2 + 20856^2 .

It is not a de Polignac number, because 504478305 - 2¹⁸ = 504216161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504478305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5605270 + ... + 5605359.

It is an arithmetic number, because the mean of its divisors is an integer number (72869095).

Almost surely, 2^504478305 is an apocalyptic number.

It is an amenable number.

504478305 is a deficient number, since it is larger than the sum of its proper divisors (369950835).

504478305 is a wasteful number, since it uses less digits than its factorization.

504478305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210640 (or 11210637 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 504478305 is about 22460.5944934679. The cubic root of 504478305 is about 796.0631084069.

The spelling of 504478305 in words is "five hundred four million, four hundred seventy-eight thousand, three hundred five".