650065005 has 24 divisors (see below), whose sum is σ = 1130403768. Its totient is φ = 345586176.

The previous prime is 650065001. The next prime is 650065007. The reversal of 650065005 is 500560056.

650065005 is a `hidden beast` number, since 6 + 5 + 0 + 0 + 650 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34082244 + 615982761 = 5838^2 + 24819^2 .

It is not a de Polignac number, because 650065005 - 2² = 650065001 is a prime.

It is a super-3 number, since 3×650065005³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650065005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650065001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8992 + ... + 37161.

It is an arithmetic number, because the mean of its divisors is an integer number (47100157).

Almost surely, 2^650065005 is an apocalyptic number.

It is an amenable number.

650065005 is a deficient number, since it is larger than the sum of its proper divisors (480338763).

650065005 is a wasteful number, since it uses less digits than its factorization.

650065005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46477 (or 46474 counting only the distinct ones).

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

The square root of 650065005 is about 25496.3723890282. The cubic root of 650065005 is about 866.2679812363.

The spelling of 650065005 in words is "six hundred fifty million, sixty-five thousand, five".