4065361 has 2 divisors, whose sum is σ = 4065362. Its totient is φ = 4065360.

The previous prime is 4065331. The next prime is 4065377. The reversal of 4065361 is 1635604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 286225 = 1944^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4065361 - 2⁹ = 4064849 is a prime.

4065361 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4065331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032680 + 2032681.

It is an arithmetic number, because the mean of its divisors is an integer number (2032681).

Almost surely, 2^4065361 is an apocalyptic number.

It is an amenable number.

4065361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065361 is an equidigital number, since it uses as much as digits as its factorization.

4065361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4065361 is about 2016.2740389144. The cubic root of 4065361 is about 159.6000557995.

The spelling of 4065361 in words is "four million, sixty-five thousand, three hundred sixty-one".