4131085 has 32 divisors (see below), whose sum is σ = 6158592. Its totient is φ = 2595840.

The previous prime is 4131077. The next prime is 4131089. The reversal of 4131085 is 5801314.

4131085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4131085 - 2³ = 4131077 is a prime.

It is a Duffinian number.

4131085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31470 + ... + 31600.

It is an arithmetic number, because the mean of its divisors is an integer number (192456).

Almost surely, 2^4131085 is an apocalyptic number.

It is an amenable number.

4131085 is a deficient number, since it is larger than the sum of its proper divisors (2027507).

4131085 is a wasteful number, since it uses less digits than its factorization.

4131085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 4131085 is about 2032.5070725584. The cubic root of 4131085 is about 160.4555377402.

Adding to 4131085 its reverse (5801314), we get a palindrome (9932399).

The spelling of 4131085 in words is "four million, one hundred thirty-one thousand, eighty-five".