648058673 has 2 divisors, whose sum is σ = 648058674. Its totient is φ = 648058672.

The previous prime is 648058667. The next prime is 648058687. The reversal of 648058673 is 376850846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644550544 + 3508129 = 25388^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 648058673 - 2⁸ = 648058417 is a prime.

It is not a weakly prime, because it can be changed into another prime (648058643) 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, 324029336 + 324029337.

It is an arithmetic number, because the mean of its divisors is an integer number (324029337).

Almost surely, 2^648058673 is an apocalyptic number.

It is an amenable number.

648058673 is a deficient number, since it is larger than the sum of its proper divisors (1).

648058673 is an equidigital number, since it uses as much as digits as its factorization.

648058673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 648058673 is about 25456.9965431902. The cubic root of 648058673 is about 865.3758590225.

The spelling of 648058673 in words is "six hundred forty-eight million, fifty-eight thousand, six hundred seventy-three".