650616775 has 12 divisors (see below), whose sum is σ = 854222112. Its totient is φ = 489875840.

The previous prime is 650616773. The next prime is 650616779. The reversal of 650616775 is 577616056.

It is not a de Polignac number, because 650616775 - 2¹ = 650616773 is a prime.

It is a super-2 number, since 2×650616775² = 846604375822801250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650616773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765007 + ... + 765856.

It is an arithmetic number, because the mean of its divisors is an integer number (71185176).

Almost surely, 2^650616775 is an apocalyptic number.

650616775 is a deficient number, since it is larger than the sum of its proper divisors (203605337).

650616775 is a wasteful number, since it uses less digits than its factorization.

650616775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530890 (or 1530885 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 650616775 is about 25507.1906528336. The cubic root of 650616775 is about 866.5130057126.

The spelling of 650616775 in words is "six hundred fifty million, six hundred sixteen thousand, seven hundred seventy-five".