650995533 has 12 divisors (see below), whose sum is σ = 962195520. Its totient is φ = 423903816.

The previous prime is 650995507. The next prime is 650995561. The reversal of 650995533 is 335599056.

It is a happy number.

650995533 is a `hidden beast` number, since 6 + 5 + 0 + 99 + 553 + 3 = 666.

It is not a de Polignac number, because 650995533 - 2¹² = 650991437 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650995733) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 840693 + ... + 841466.

It is an arithmetic number, because the mean of its divisors is an integer number (80182960).

Almost surely, 2^650995533 is an apocalyptic number.

It is an amenable number.

650995533 is a deficient number, since it is larger than the sum of its proper divisors (311199987).

650995533 is a wasteful number, since it uses less digits than its factorization.

650995533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682208 (or 1682205 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 45.

The square root of 650995533 is about 25514.6141064293. The cubic root of 650995533 is about 866.6811205841.

The spelling of 650995533 in words is "six hundred fifty million, nine hundred ninety-five thousand, five hundred thirty-three".