504912005 has 18 divisors (see below), whose sum is σ = 656936694. Its totient is φ = 372375744.

The previous prime is 504911987. The next prime is 504912017. The reversal of 504912005 is 500219405.

It can be written as a sum of positive squares in 9 ways, for example, as 487614724 + 17297281 = 22082^2 + 4159^2 .

It is not a de Polignac number, because 504912005 - 2⁶ = 504911941 is a prime.

It is a super-2 number, since 2×504912005² = 509872265586240050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 652799 + ... + 653571.

It is an arithmetic number, because the mean of its divisors is an integer number (36496483).

Almost surely, 2^504912005 is an apocalyptic number.

It is an amenable number.

504912005 is a deficient number, since it is larger than the sum of its proper divisors (152024689).

504912005 is an frugal number, since it uses more digits than its factorization.

504912005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 504912005 is about 22470.2471058954. The cubic root of 504912005 is about 796.2911682171.

The spelling of 504912005 in words is "five hundred four million, nine hundred twelve thousand, five".