650307089 has 2 divisors, whose sum is σ = 650307090. Its totient is φ = 650307088.

The previous prime is 650307067. The next prime is 650307127. The reversal of 650307089 is 980703056.

It is an a-pointer prime, because the next prime (650307127) can be obtained adding 650307089 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557762689 + 92544400 = 23617^2 + 9620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650307089 is a prime.

It is not a weakly prime, because it can be changed into another prime (650307689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325153544 + 325153545.

It is an arithmetic number, because the mean of its divisors is an integer number (325153545).

Almost surely, 2^650307089 is an apocalyptic number.

It is an amenable number.

650307089 is a deficient number, since it is larger than the sum of its proper divisors (1).

650307089 is an equidigital number, since it uses as much as digits as its factorization.

650307089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 650307089 is about 25501.1193675886. The cubic root of 650307089 is about 866.3755005304.

The spelling of 650307089 in words is "six hundred fifty million, three hundred seven thousand, eighty-nine".