650765387 has 2 divisors, whose sum is σ = 650765388. Its totient is φ = 650765386.

The previous prime is 650765383. The next prime is 650765461. The reversal of 650765387 is 783567056.

It is a happy number.

650765387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650765387 - 2² = 650765383 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650765383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325382693 + 325382694.

It is an arithmetic number, because the mean of its divisors is an integer number (325382694).

Almost surely, 2^650765387 is an apocalyptic number.

650765387 is a deficient number, since it is larger than the sum of its proper divisors (1).

650765387 is an equidigital number, since it uses as much as digits as its factorization.

650765387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 650765387 is about 25510.1036258185. The cubic root of 650765387 is about 866.5789761540.

The spelling of 650765387 in words is "six hundred fifty million, seven hundred sixty-five thousand, three hundred eighty-seven".