636056065 has 16 divisors (see below), whose sum is σ = 809320320. Its totient is φ = 478535040.

The previous prime is 636056023. The next prime is 636056107. The reversal of 636056065 is 560650636.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (636056023) and next prime (636056107).

It is not a de Polignac number, because 636056065 - 2¹¹ = 636054017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11421 + ... + 37450.

It is an arithmetic number, because the mean of its divisors is an integer number (50582520).

Almost surely, 2^636056065 is an apocalyptic number.

It is an amenable number.

636056065 is a deficient number, since it is larger than the sum of its proper divisors (173264255).

636056065 is a wasteful number, since it uses less digits than its factorization.

636056065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49032.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 636056065 is about 25220.1519622702. The cubic root of 636056065 is about 860.0000292951. Note that the first 4 decimals are identical.

The spelling of 636056065 in words is "six hundred thirty-six million, fifty-six thousand, sixty-five".