4816681 has 2 divisors, whose sum is σ = 4816682. Its totient is φ = 4816680.

The previous prime is 4816673. The next prime is 4816717. The reversal of 4816681 is 1866184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 2205225 = 1616^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 4816681 - 2³ = 4816673 is a prime.

It is a super-2 number, since 2×4816681² = 46400831711522, which contains 22 as substring.

4816681 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4876681) 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, 2408340 + 2408341.

It is an arithmetic number, because the mean of its divisors is an integer number (2408341).

Almost surely, 2^4816681 is an apocalyptic number.

It is an amenable number.

4816681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4816681 is an equidigital number, since it uses as much as digits as its factorization.

4816681 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 4816681 is about 2194.6938283050. The cubic root of 4816681 is about 168.8817140849.

The spelling of 4816681 in words is "four million, eight hundred sixteen thousand, six hundred eighty-one".