8371081 has 4 divisors (see below), whose sum is σ = 8377600. Its totient is φ = 8364564.

The previous prime is 8371067. The next prime is 8371087. The reversal of 8371081 is 1801738.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1801738 = 2 ⋅900869.

It is a cyclic number.

It is not a de Polignac number, because 8371081 - 2⁵ = 8371049 is a prime.

It is a super-2 number, since 2×8371081² = 140149994217122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8371087) 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, 621 + ... + 4138.

It is an arithmetic number, because the mean of its divisors is an integer number (2094400).

Almost surely, 2^8371081 is an apocalyptic number.

It is an amenable number.

8371081 is a deficient number, since it is larger than the sum of its proper divisors (6519).

8371081 is a wasteful number, since it uses less digits than its factorization.

8371081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 8371081 is about 2893.2820463964. The cubic root of 8371081 is about 203.0457240463.

The spelling of 8371081 in words is "eight million, three hundred seventy-one thousand, eighty-one".