650755009 has 2 divisors, whose sum is σ = 650755010. Its totient is φ = 650755008.

The previous prime is 650755003. The next prime is 650755013. The reversal of 650755009 is 900557056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626400784 + 24354225 = 25028^2 + 4935^2 .

It is a cyclic number.

It is not a de Polignac number, because 650755009 - 2⁹ = 650754497 is a prime.

It is not a weakly prime, because it can be changed into another prime (650755003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325377504 + 325377505.

It is an arithmetic number, because the mean of its divisors is an integer number (325377505).

Almost surely, 2^650755009 is an apocalyptic number.

It is an amenable number.

650755009 is a deficient number, since it is larger than the sum of its proper divisors (1).

650755009 is an equidigital number, since it uses as much as digits as its factorization.

650755009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 650755009 is about 25509.9002154066. The cubic root of 650755009 is about 866.5743695760.

It can be divided in two parts, 6507 and 55009, that added together give a palindrome (61516).

The spelling of 650755009 in words is "six hundred fifty million, seven hundred fifty-five thousand, nine".