8297281 has 8 divisors (see below), whose sum is σ = 8878400. Its totient is φ = 7730640.

The previous prime is 8297279. The next prime is 8297321. The reversal of 8297281 is 1827928.

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 8297281 - 2¹ = 8297279 is a prime.

It is a super-2 number, since 2×8297281² = 137689743985922, which contains 22 as substring.

It is an Ulam number.

It is the 2881-st Hogben number.

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 8297281.

It is not an unprimeable number, because it can be changed into a prime (8297881) by changing a digit.

It is a nontrivial repunit in base 2880.

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, 2421 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (1109800).

Almost surely, 2^8297281 is an apocalyptic number.

It is an amenable number.

8297281 is a deficient number, since it is larger than the sum of its proper divisors (581119).

8297281 is a wasteful number, since it uses less digits than its factorization.

8297281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239.

The product of its digits is 16128, while the sum is 37.

The square root of 8297281 is about 2880.5001301857. The cubic root of 8297281 is about 202.4472737795.

The spelling of 8297281 in words is "eight million, two hundred ninety-seven thousand, two hundred eighty-one".