650503328 has 12 divisors (see below), whose sum is σ = 1280678490. Its totient is φ = 325251648.

The previous prime is 650503313. The next prime is 650503331. The reversal of 650503328 is 823305056.

It can be written as a sum of positive squares in only one way, i.e., 462594064 + 187909264 = 21508^2 + 13708^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 20328229 = 650503328 / (6 + 5 + 0 + 5 + 0 + 3 + 3 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 650503294 and 650503303.

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 as a sum of consecutive naturals, namely, 10164083 + ... + 10164146.

Almost surely, 2^650503328 is an apocalyptic number.

It is an amenable number.

650503328 is a deficient number, since it is larger than the sum of its proper divisors (630175162).

650503328 is a wasteful number, since it uses less digits than its factorization.

650503328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328239 (or 20328231 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 650503328 is about 25504.9667319916. The cubic root of 650503328 is about 866.4626386256.

The spelling of 650503328 in words is "six hundred fifty million, five hundred three thousand, three hundred twenty-eight".