650505285 has 24 divisors (see below), whose sum is σ = 1130819040. Its totient is φ = 345928032.

The previous prime is 650505257. The next prime is 650505311. The reversal of 650505285 is 582505056.

650505285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 650505285 - 2⁹ = 650504773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5215 + ... + 36444.

It is an arithmetic number, because the mean of its divisors is an integer number (47117460).

Almost surely, 2^650505285 is an apocalyptic number.

It is an amenable number.

650505285 is a deficient number, since it is larger than the sum of its proper divisors (480313755).

650505285 is a wasteful number, since it uses less digits than its factorization.

650505285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42017 (or 42014 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 650505285 is about 25505.0050970393. The cubic root of 650505285 is about 866.4635075249.

The spelling of 650505285 in words is "six hundred fifty million, five hundred five thousand, two hundred eighty-five".