650066701 has 2 divisors, whose sum is σ = 650066702. Its totient is φ = 650066700.

The previous prime is 650066567. The next prime is 650066713. The reversal of 650066701 is 107660056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403608100 + 246458601 = 20090^2 + 15699^2 .

It is a cyclic number.

It is not a de Polignac number, because 650066701 - 2²¹ = 647969549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650066771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325033350 + 325033351.

It is an arithmetic number, because the mean of its divisors is an integer number (325033351).

Almost surely, 2^650066701 is an apocalyptic number.

It is an amenable number.

650066701 is a deficient number, since it is larger than the sum of its proper divisors (1).

650066701 is an equidigital number, since it uses as much as digits as its factorization.

650066701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 650066701 is about 25496.4056486400. The cubic root of 650066701 is about 866.2687345913.

The spelling of 650066701 in words is "six hundred fifty million, sixty-six thousand, seven hundred one".