485008565 has 16 divisors (see below), whose sum is σ = 598895856. Its totient is φ = 376896000.

The previous prime is 485008561. The next prime is 485008577. The reversal of 485008565 is 565800584.

It can be written as a sum of positive squares in 8 ways, for example, as 31787044 + 453221521 = 5638^2 + 21289^2 .

It is not a de Polignac number, because 485008565 - 2² = 485008561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485008561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17705 + ... + 35825.

It is an arithmetic number, because the mean of its divisors is an integer number (37430991).

Almost surely, 2^485008565 is an apocalyptic number.

It is an amenable number.

485008565 is a deficient number, since it is larger than the sum of its proper divisors (113887291).

485008565 is a wasteful number, since it uses less digits than its factorization.

485008565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18280.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 485008565 is about 22022.9100029946. The cubic root of 485008565 is about 785.6874257563.

The spelling of 485008565 in words is "four hundred eighty-five million, eight thousand, five hundred sixty-five".