8327281 has 4 divisors (see below), whose sum is σ = 8333172. Its totient is φ = 8321392.

The previous prime is 8327279. The next prime is 8327287. The reversal of 8327281 is 1827238.

8327281 = 2040² + 2041².

8327281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4161600 + 4165681 = 2040^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 8327281 - 2¹ = 8327279 is a prime.

It is a super-2 number, since 2×8327281² = 138687217705922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8327287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (2083293).

Almost surely, 2^8327281 is an apocalyptic number.

8327281 is the 2041-st centered square number.

It is an amenable number.

8327281 is a deficient number, since it is larger than the sum of its proper divisors (5891).

8327281 is a wasteful number, since it uses less digits than its factorization.

8327281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890.

The product of its digits is 5376, while the sum is 31.

The square root of 8327281 is about 2885.7028606563. The cubic root of 8327281 is about 202.6909726134.

The spelling of 8327281 in words is "eight million, three hundred twenty-seven thousand, two hundred eighty-one".