648354611 has 2 divisors, whose sum is σ = 648354612. Its totient is φ = 648354610.

The previous prime is 648354547. The next prime is 648354631. The reversal of 648354611 is 116453846.

648354611 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 648354611 - 2⁶ = 648354547 is a prime.

It is a super-2 number, since 2×648354611² = 840727403209922642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (648354631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324177305 + 324177306.

It is an arithmetic number, because the mean of its divisors is an integer number (324177306).

Almost surely, 2^648354611 is an apocalyptic number.

648354611 is a deficient number, since it is larger than the sum of its proper divisors (1).

648354611 is an equidigital number, since it uses as much as digits as its factorization.

648354611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 648354611 is about 25462.8083879214. The cubic root of 648354611 is about 865.5075644986.

The spelling of 648354611 in words is "six hundred forty-eight million, three hundred fifty-four thousand, six hundred eleven".