650650775 has 12 divisors (see below), whose sum is σ = 854266752. Its totient is φ = 489901440.

The previous prime is 650650747. The next prime is 650650789. The reversal of 650650775 is 577056056.

It is not a de Polignac number, because 650650775 - 2⁶ = 650650711 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 765047 + ... + 765896.

It is an arithmetic number, because the mean of its divisors is an integer number (71188896).

Almost surely, 2^650650775 is an apocalyptic number.

650650775 is a deficient number, since it is larger than the sum of its proper divisors (203615977).

650650775 is a wasteful number, since it uses less digits than its factorization.

650650775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530970 (or 1530965 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 650650775 is about 25507.8571228553. The cubic root of 650650775 is about 866.5280995591.

The spelling of 650650775 in words is "six hundred fifty million, six hundred fifty thousand, seven hundred seventy-five".