481246681 has 2 divisors, whose sum is σ = 481246682. Its totient is φ = 481246680.

The previous prime is 481246673. The next prime is 481246721. The reversal of 481246681 is 186642184.

It is an a-pointer prime, because the next prime (481246721) can be obtained adding 481246681 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411440656 + 69806025 = 20284^2 + 8355^2 .

It is a cyclic number.

It is not a de Polignac number, because 481246681 - 2³ = 481246673 is a prime.

It is a super-2 number, since 2×481246681² = 463196735947031522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481246631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240623340 + 240623341.

It is an arithmetic number, because the mean of its divisors is an integer number (240623341).

Almost surely, 2^481246681 is an apocalyptic number.

It is an amenable number.

481246681 is a deficient number, since it is larger than the sum of its proper divisors (1).

481246681 is an equidigital number, since it uses as much as digits as its factorization.

481246681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 481246681 is about 21937.3353213192. The cubic root of 481246681 is about 783.6508020972.

The spelling of 481246681 in words is "four hundred eighty-one million, two hundred forty-six thousand, six hundred eighty-one".