4201541161 has 2 divisors, whose sum is σ = 4201541162. Its totient is φ = 4201541160.

The previous prime is 4201541111. The next prime is 4201541203. The reversal of 4201541161 is 1611451024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3392480025 + 809061136 = 58245^2 + 28444^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201541161 - 2⁷ = 4201541033 is a prime.

It is not a weakly prime, because it can be changed into another prime (4201541111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100770580 + 2100770581.

It is an arithmetic number, because the mean of its divisors is an integer number (2100770581).

Almost surely, 2^4201541161 is an apocalyptic number.

It is an amenable number.

4201541161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201541161 is an equidigital number, since it uses as much as digits as its factorization.

4201541161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4201541161 is about 64819.2962087680. The cubic root of 4201541161 is about 1613.6259673917.

Adding to 4201541161 its reverse (1611451024), we get a palindrome (5812992185).

The spelling of 4201541161 in words is "four billion, two hundred one million, five hundred forty-one thousand, one hundred sixty-one".