8130081 has 12 divisors (see below), whose sum is σ = 11442192. Its totient is φ = 5134104.

The previous prime is 8130077. The next prime is 8130113. The reversal of 8130081 is 1800318.

It is a happy number.

It is not a de Polignac number, because 8130081 - 2² = 8130077 is a prime.

It is a super-2 number, since 2×8130081² = 132196434133122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8130071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2671 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (953516).

Almost surely, 2^8130081 is an apocalyptic number.

It is an amenable number.

8130081 is a deficient number, since it is larger than the sum of its proper divisors (3312111).

8130081 is a wasteful number, since it uses less digits than its factorization.

8130081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 8130081 is about 2851.3296898114. The cubic root of 8130081 is about 201.0781854690.

Adding to 8130081 its reverse (1800318), we get a palindrome (9930399).

The spelling of 8130081 in words is "eight million, one hundred thirty thousand, eighty-one".