3665041 has 2 divisors, whose sum is σ = 3665042. Its totient is φ = 3665040.

The previous prime is 3665033. The next prime is 3665087. The reversal of 3665041 is 1405663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 70225 = 1896^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3665041 - 2³ = 3665033 is a prime.

3665041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3664997 and 3665015.

It is not a weakly prime, because it can be changed into another prime (3665141) 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, 1832520 + 1832521.

It is an arithmetic number, because the mean of its divisors is an integer number (1832521).

Almost surely, 2^3665041 is an apocalyptic number.

It is an amenable number.

3665041 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665041 is an equidigital number, since it uses as much as digits as its factorization.

3665041 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 3665041 is about 1914.4296800875. The cubic root of 3665041 is about 154.1793743928.

The spelling of 3665041 in words is "three million, six hundred sixty-five thousand, forty-one".