3665023 has 2 divisors, whose sum is σ = 3665024. Its totient is φ = 3665022.

The previous prime is 3665017. The next prime is 3665029. The reversal of 3665023 is 3205663.

It is a balanced prime because it is at equal distance from previous prime (3665017) and next prime (3665029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3665023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3665029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832511 + 1832512.

It is an arithmetic number, because the mean of its divisors is an integer number (1832512).

Almost surely, 2^3665023 is an apocalyptic number.

3665023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665023 is an equidigital number, since it uses as much as digits as its factorization.

3665023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 3665023 is about 1914.4249789428. The cubic root of 3665023 is about 154.1791219870.

The spelling of 3665023 in words is "three million, six hundred sixty-five thousand, twenty-three".