504465985 has 4 divisors (see below), whose sum is σ = 605359188. Its totient is φ = 403572784.

The previous prime is 504465967. The next prime is 504466003. The reversal of 504465985 is 589564405.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (504465967) and next prime (504466003).

It can be written as a sum of positive squares in 2 ways, for example, as 62457409 + 442008576 = 7903^2 + 21024^2 .

It is a cyclic number.

It is not a de Polignac number, because 504465985 - 2⁹ = 504465473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50446594 + ... + 50446603.

It is an arithmetic number, because the mean of its divisors is an integer number (151339797).

Almost surely, 2^504465985 is an apocalyptic number.

It is an amenable number.

504465985 is a deficient number, since it is larger than the sum of its proper divisors (100893203).

504465985 is a wasteful number, since it uses less digits than its factorization.

504465985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100893202.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 504465985 is about 22460.3202336921. The cubic root of 504465985 is about 796.0566280640.

It can be divided in two parts, 504 and 465985, that added together give a square (466489 = 683²).

The spelling of 504465985 in words is "five hundred four million, four hundred sixty-five thousand, nine hundred eighty-five".