8071281 has 9 divisors (see below), whose sum is σ = 11670841. Its totient is φ = 5375172.

The previous prime is 8071267. The next prime is 8071307. The reversal of 8071281 is 1821708.

The square root of 8071281 is 2841.

It is a perfect power (a square), and thus also a powerful number.

8071281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8071281 - 2⁵ = 8071249 is a prime.

It is a super-2 number, since 2×8071281² = 130291153961922, which contains 22 as substring.

It is a Duffinian number.

8071281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8071201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8050 + ... + 8996.

Almost surely, 2^8071281 is an apocalyptic number.

8071281 is the 2841-st square number.

8071281 is the 1421-st centered octagonal number.

It is an amenable number.

8071281 is a deficient number, since it is larger than the sum of its proper divisors (3599560).

8071281 is an frugal number, since it uses more digits than its factorization.

8071281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The cubic root of 8071281 is about 200.5922527854.

Adding to 8071281 its reverse (1821708), we get a palindrome (9892989).

The spelling of 8071281 in words is "eight million, seventy-one thousand, two hundred eighty-one".