650509028 has 24 divisors (see below), whose sum is σ = 1226671488. Its totient is φ = 300060576.

The previous prime is 650509003. The next prime is 650509037. The reversal of 650509028 is 820905056.

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 7 ways as a sum of consecutive naturals, for example, 143525 + ... + 147987.

It is an arithmetic number, because the mean of its divisors is an integer number (51111312).

Almost surely, 2^650509028 is an apocalyptic number.

It is an amenable number.

650509028 is a deficient number, since it is larger than the sum of its proper divisors (576162460).

650509028 is a wasteful number, since it uses less digits than its factorization.

650509028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 650509028 is about 25505.0784746881. The cubic root of 650509028 is about 866.4651693955.

The spelling of 650509028 in words is "six hundred fifty million, five hundred nine thousand, twenty-eight".