8036681 has 2 divisors, whose sum is σ = 8036682. Its totient is φ = 8036680.

The previous prime is 8036629. The next prime is 8036701. The reversal of 8036681 is 1866308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 1585081 = 2540^2 + 1259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8036681 is a prime.

It is a super-2 number, since 2×8036681² = 129176482991522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8036621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4018340 + 4018341.

It is an arithmetic number, because the mean of its divisors is an integer number (4018341).

Almost surely, 2^8036681 is an apocalyptic number.

It is an amenable number.

8036681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8036681 is an equidigital number, since it uses as much as digits as its factorization.

8036681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8036681 is about 2834.9040548138. The cubic root of 8036681 is about 200.3052090004.

The spelling of 8036681 in words is "eight million, thirty-six thousand, six hundred eighty-one".