8030681 has 4 divisors (see below), whose sum is σ = 8503092. Its totient is φ = 7558272.

The previous prime is 8030669. The next prime is 8030683. The reversal of 8030681 is 1860308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3553225 + 4477456 = 1885^2 + 2116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8030681 is a prime.

It is a super-2 number, since 2×8030681² = 128983674647522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8030681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030683) 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 in 3 ways as a sum of consecutive naturals, for example, 236180 + ... + 236213.

It is an arithmetic number, because the mean of its divisors is an integer number (2125773).

Almost surely, 2^8030681 is an apocalyptic number.

It is an amenable number.

8030681 is a deficient number, since it is larger than the sum of its proper divisors (472411).

8030681 is a wasteful number, since it uses less digits than its factorization.

8030681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472410.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8030681 is about 2833.8456203541. The cubic root of 8030681 is about 200.2553488461.

Adding to 8030681 its reverse (1860308), we get a palindrome (9890989).

The spelling of 8030681 in words is "eight million, thirty thousand, six hundred eighty-one".