4050161 has 2 divisors, whose sum is σ = 4050162. Its totient is φ = 4050160.

The previous prime is 4050149. The next prime is 4050187. The reversal of 4050161 is 1610504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 1739761 = 1520^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050161 - 2¹⁸ = 3788017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4050121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025080 + 2025081.

It is an arithmetic number, because the mean of its divisors is an integer number (2025081).

Almost surely, 2^4050161 is an apocalyptic number.

It is an amenable number.

4050161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050161 is an equidigital number, since it uses as much as digits as its factorization.

4050161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 4050161 is about 2012.5011801239. The cubic root of 4050161 is about 159.4008975473.

Adding to 4050161 its reverse (1610504), we get a palindrome (5660665).

The spelling of 4050161 in words is "four million, fifty thousand, one hundred sixty-one".