500650065 has 20 divisors (see below), whose sum is σ = 897462324. Its totient is φ = 267013152.

The previous prime is 500650049. The next prime is 500650079. The reversal of 500650065 is 560056005.

500650065 is a `hidden beast` number, since 5 + 0 + 0 + 650 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160579584 + 340070481 = 12672^2 + 18441^2 .

It is not a de Polignac number, because 500650065 - 2⁴ = 500650049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 617682 + ... + 618491.

Almost surely, 2^500650065 is an apocalyptic number.

It is an amenable number.

500650065 is a deficient number, since it is larger than the sum of its proper divisors (396812259).

500650065 is a wasteful number, since it uses less digits than its factorization.

500650065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236190 (or 1236181 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 500650065 is about 22375.2109487263. The cubic root of 500650065 is about 794.0443483108.

The spelling of 500650065 in words is "five hundred million, six hundred fifty thousand, sixty-five".