3665147 has 2 divisors, whose sum is σ = 3665148. Its totient is φ = 3665146.

The previous prime is 3665141. The next prime is 3665153. The reversal of 3665147 is 7415663.

It is a balanced prime because it is at equal distance from previous prime (3665141) and next prime (3665153).

It is an emirp because it is prime and its reverse (7415663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3665147 - 2⁴ = 3665131 is a prime.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832573 + 1832574.

It is an arithmetic number, because the mean of its divisors is an integer number (1832574).

Almost surely, 2^3665147 is an apocalyptic number.

3665147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665147 is an equidigital number, since it uses as much as digits as its factorization.

3665147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 3665147 is about 1914.4573643725. The cubic root of 3665147 is about 154.1808607660.

The spelling of 3665147 in words is "three million, six hundred sixty-five thousand, one hundred forty-seven".