4061161 has 4 divisors (see below), whose sum is σ = 4373572. Its totient is φ = 3748752.

The previous prime is 4061149. The next prime is 4061177. The reversal of 4061161 is 1611604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 2621161 = 1200^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061161 - 2⁷ = 4061033 is a prime.

It is a Duffinian number.

4061161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4061191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156186 + ... + 156211.

It is an arithmetic number, because the mean of its divisors is an integer number (1093393).

Almost surely, 2^4061161 is an apocalyptic number.

It is an amenable number.

4061161 is a deficient number, since it is larger than the sum of its proper divisors (312411).

4061161 is a wasteful number, since it uses less digits than its factorization.

4061161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312410.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4061161 is about 2015.2322446805. The cubic root of 4061161 is about 159.5450749333.

Adding to 4061161 its reverse (1611604), we get a palindrome (5672765).

The spelling of 4061161 in words is "four million, sixty-one thousand, one hundred sixty-one".