681483211 has 2 divisors, whose sum is σ = 681483212. Its totient is φ = 681483210.

The previous prime is 681483163. The next prime is 681483239. The reversal of 681483211 is 112384186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 681483211 - 2¹⁹ = 680958923 is a prime.

It is not a weakly prime, because it can be changed into another prime (681483511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340741605 + 340741606.

It is an arithmetic number, because the mean of its divisors is an integer number (340741606).

Almost surely, 2^681483211 is an apocalyptic number.

681483211 is a deficient number, since it is larger than the sum of its proper divisors (1).

681483211 is an equidigital number, since it uses as much as digits as its factorization.

681483211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 681483211 is about 26105.2334025191. The cubic root of 681483211 is about 880.0048256450.

The spelling of 681483211 in words is "six hundred eighty-one million, four hundred eighty-three thousand, two hundred eleven".