650505028 has 6 divisors (see below), whose sum is σ = 1138383806. Its totient is φ = 325252512.

The previous prime is 650505019. The next prime is 650505043. The reversal of 650505028 is 820505056.

650505028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 446815044 + 203689984 = 21138^2 + 14272^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81313125 + ... + 81313132.

Almost surely, 2^650505028 is an apocalyptic number.

It is an amenable number.

650505028 is a deficient number, since it is larger than the sum of its proper divisors (487878778).

650505028 is a wasteful number, since it uses less digits than its factorization.

650505028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162626261 (or 162626259 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 650505028 is about 25505.0000588120. Note that the first 4 decimals coincide. The cubic root of 650505028 is about 866.4633934182.

The spelling of 650505028 in words is "six hundred fifty million, five hundred five thousand, twenty-eight".