650549133 has 48 divisors (see below), whose sum is σ = 1050125440. Its totient is φ = 385471872.

The previous prime is 650549111. The next prime is 650549143. The reversal of 650549133 is 331945056.

It is not a de Polignac number, because 650549133 - 2⁶ = 650549069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650549143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445158 + ... + 446616.

Almost surely, 2^650549133 is an apocalyptic number.

It is an amenable number.

650549133 is a deficient number, since it is larger than the sum of its proper divisors (399576307).

650549133 is a wasteful number, since it uses less digits than its factorization.

650549133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 650549133 is about 25505.8646785401. The cubic root of 650549133 is about 866.4829753854.

The spelling of 650549133 in words is "six hundred fifty million, five hundred forty-nine thousand, one hundred thirty-three".