4081061 has 4 divisors (see below), whose sum is σ = 4132800. Its totient is φ = 4029324.

The previous prime is 4081039. The next prime is 4081073. The reversal of 4081061 is 1601804.

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.

It is a cyclic number.

It is not a de Polignac number, because 4081061 - 2⁶ = 4080997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081261) 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, 25751 + ... + 25908.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^4081061 is an apocalyptic number.

It is an amenable number.

4081061 is a deficient number, since it is larger than the sum of its proper divisors (51739).

4081061 is an equidigital number, since it uses as much as digits as its factorization.

4081061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51738.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 4081061 is about 2020.1636072358. The cubic root of 4081061 is about 159.8052448071.

Adding to 4081061 its reverse (1601804), we get a palindrome (5682865).

The spelling of 4081061 in words is "four million, eighty-one thousand, sixty-one".