8082281 has 4 divisors (see below), whose sum is σ = 8088132. Its totient is φ = 8076432.

The previous prime is 8082257. The next prime is 8082287. The reversal of 8082281 is 1822808.

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 2298256 + 5784025 = 1516^2 + 2405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8082281 is a prime.

It is a super-2 number, since 2×8082281² = 130646532325922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8082287) 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, 431 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (2022033).

Almost surely, 2^8082281 is an apocalyptic number.

It is an amenable number.

8082281 is a deficient number, since it is larger than the sum of its proper divisors (5851).

8082281 is a wasteful number, since it uses less digits than its factorization.

8082281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 8082281 is about 2842.9352788975. The cubic root of 8082281 is about 200.6833375897.

The spelling of 8082281 in words is "eight million, eighty-two thousand, two hundred eighty-one".