650567243 has 2 divisors, whose sum is σ = 650567244. Its totient is φ = 650567242.

The previous prime is 650567233. The next prime is 650567273. The reversal of 650567243 is 342765056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650567243 - 2¹⁰ = 650566219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650567197 and 650567206.

It is not a weakly prime, because it can be changed into another prime (650567233) 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 as a sum of consecutive naturals, namely, 325283621 + 325283622.

It is an arithmetic number, because the mean of its divisors is an integer number (325283622).

Almost surely, 2^650567243 is an apocalyptic number.

650567243 is a deficient number, since it is larger than the sum of its proper divisors (1).

650567243 is an equidigital number, since it uses as much as digits as its factorization.

650567243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 650567243 is about 25506.2196924593. The cubic root of 650567243 is about 866.4910157010.

The spelling of 650567243 in words is "six hundred fifty million, five hundred sixty-seven thousand, two hundred forty-three".