649175083 has 2 divisors, whose sum is σ = 649175084. Its totient is φ = 649175082.

The previous prime is 649175029. The next prime is 649175089. The reversal of 649175083 is 380571946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 649175083 - 2¹³ = 649166891 is a prime.

It is not a weakly prime, because it can be changed into another prime (649175089) 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, 324587541 + 324587542.

It is an arithmetic number, because the mean of its divisors is an integer number (324587542).

Almost surely, 2^649175083 is an apocalyptic number.

649175083 is a deficient number, since it is larger than the sum of its proper divisors (1).

649175083 is an equidigital number, since it uses as much as digits as its factorization.

649175083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 649175083 is about 25478.9144784467. The cubic root of 649175083 is about 865.8725013064.

The spelling of 649175083 in words is "six hundred forty-nine million, one hundred seventy-five thousand, eighty-three".