8130281 has 8 divisors (see below), whose sum is σ = 8293824. Its totient is φ = 7968240.

The previous prime is 8130251. The next prime is 8130299. The reversal of 8130281 is 1820318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8130281 - 2¹⁸ = 7868137 is a prime.

It is a super-2 number, since 2×8130281² = 132202938277922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8130251) 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 7 ways as a sum of consecutive naturals, for example, 21611 + ... + 21983.

It is an arithmetic number, because the mean of its divisors is an integer number (1036728).

Almost surely, 2^8130281 is an apocalyptic number.

It is an amenable number.

8130281 is a deficient number, since it is larger than the sum of its proper divisors (163543).

8130281 is a wasteful number, since it uses less digits than its factorization.

8130281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8130281 is about 2851.3647609522. The cubic root of 8130281 is about 201.0798342967.

Adding to 8130281 its reverse (1820318), we get a palindrome (9950599).

The spelling of 8130281 in words is "eight million, one hundred thirty thousand, two hundred eighty-one".