650952643 has 4 divisors (see below), whose sum is σ = 710130168. Its totient is φ = 591775120.

The previous prime is 650952641. The next prime is 650952667. The reversal of 650952643 is 346259056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650952643 - 2¹ = 650952641 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 650952596 and 650952605.

It is not an unprimeable number, because it can be changed into a prime (650952641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29588746 + ... + 29588767.

It is an arithmetic number, because the mean of its divisors is an integer number (177532542).

Almost surely, 2^650952643 is an apocalyptic number.

650952643 is a deficient number, since it is larger than the sum of its proper divisors (59177525).

650952643 is a wasteful number, since it uses less digits than its factorization.

650952643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59177524.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 650952643 is about 25513.7735938845. The cubic root of 650952643 is about 866.6620867772.

The spelling of 650952643 in words is "six hundred fifty million, nine hundred fifty-two thousand, six hundred forty-three".