4001141 has 2 divisors, whose sum is σ = 4001142. Its totient is φ = 4001140.

The previous prime is 4001119. The next prime is 4001147. The reversal of 4001141 is 1411004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 1094116 = 1705^2 + 1046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001141 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000570 + 2000571.

It is an arithmetic number, because the mean of its divisors is an integer number (2000571).

Almost surely, 2^4001141 is an apocalyptic number.

It is an amenable number.

4001141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001141 is an equidigital number, since it uses as much as digits as its factorization.

4001141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 4001141 is about 2000.2852296610. The cubic root of 4001141 is about 158.7551973002.

Adding to 4001141 its reverse (1411004), we get a palindrome (5412145).

The spelling of 4001141 in words is "four million, one thousand, one hundred forty-one".