649174307 has 2 divisors, whose sum is σ = 649174308. Its totient is φ = 649174306.

The previous prime is 649174259. The next prime is 649174321. The reversal of 649174307 is 703471946.

649174307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 649174307 - 2²⁴ = 632397091 is a prime.

It is not a weakly prime, because it can be changed into another prime (649174507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324587153 + 324587154.

It is an arithmetic number, because the mean of its divisors is an integer number (324587154).

Almost surely, 2^649174307 is an apocalyptic number.

649174307 is a deficient number, since it is larger than the sum of its proper divisors (1).

649174307 is an equidigital number, since it uses as much as digits as its factorization.

649174307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 649174307 is about 25478.8992501639. The cubic root of 649174307 is about 865.8721562955.

The spelling of 649174307 in words is "six hundred forty-nine million, one hundred seventy-four thousand, three hundred seven".