481706681 has 2 divisors, whose sum is σ = 481706682. Its totient is φ = 481706680.

The previous prime is 481706669. The next prime is 481706707. The reversal of 481706681 is 186607184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304816681 + 176890000 = 17459^2 + 13300^2 .

It is a cyclic number.

It is not a de Polignac number, because 481706681 - 2¹⁰ = 481705657 is a prime.

It is a super-2 number, since 2×481706681² = 464082653040071522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481702681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240853340 + 240853341.

It is an arithmetic number, because the mean of its divisors is an integer number (240853341).

Almost surely, 2^481706681 is an apocalyptic number.

It is an amenable number.

481706681 is a deficient number, since it is larger than the sum of its proper divisors (1).

481706681 is an equidigital number, since it uses as much as digits as its factorization.

481706681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 481706681 is about 21947.8172263212. The cubic root of 481706681 is about 783.9004069876.

The spelling of 481706681 in words is "four hundred eighty-one million, seven hundred six thousand, six hundred eighty-one".