650950506 has 40 divisors (see below), whose sum is σ = 1462152384. Its totient is φ = 216456840.

The previous prime is 650950477. The next prime is 650950529. The reversal of 650950506 is 605059056.

650950506 is a `hidden beast` number, since 65 + 0 + 95 + 0 + 506 = 666.

It is a super-2 number, since 2×650950506² = 847473122523312072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65161 + ... + 74483.

Almost surely, 2^650950506 is an apocalyptic number.

650950506 is an abundant number, since it is smaller than the sum of its proper divisors (811201878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650950506 is a wasteful number, since it uses less digits than its factorization.

650950506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768 (or 9759 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 650950506 is about 25513.7317145101. The cubic root of 650950506 is about 866.6611383934.

The spelling of 650950506 in words is "six hundred fifty million, nine hundred fifty thousand, five hundred six".