4108081 has 4 divisors (see below), whose sum is σ = 4112164. Its totient is φ = 4104000.

The previous prime is 4108063. The next prime is 4108087. The reversal of 4108081 is 1808014.

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 1418481 + 2689600 = 1191^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 4108081 - 2⁷ = 4107953 is a prime.

It is a super-2 number, since 2×4108081² = 33752659005122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4108087) 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, 661 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (1028041).

Almost surely, 2^4108081 is an apocalyptic number.

It is an amenable number.

4108081 is a deficient number, since it is larger than the sum of its proper divisors (4083).

4108081 is a wasteful number, since it uses less digits than its factorization.

4108081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 4108081 is about 2026.8401515660. The cubic root of 4108081 is about 160.1571502856.

The spelling of 4108081 in words is "four million, one hundred eight thousand, eighty-one".