3645307 has 2 divisors, whose sum is σ = 3645308. Its totient is φ = 3645306.

The previous prime is 3645289. The next prime is 3645347. The reversal of 3645307 is 7035463.

It is a weak prime.

It is an emirp because it is prime and its reverse (7035463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3645347) 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, 1822653 + 1822654.

It is an arithmetic number, because the mean of its divisors is an integer number (1822654).

Almost surely, 2^3645307 is an apocalyptic number.

3645307 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645307 is an equidigital number, since it uses as much as digits as its factorization.

3645307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3645307 is about 1909.2687081707. The cubic root of 3645307 is about 153.9021557596.

It can be divided in two parts, 364 and 5307, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 3645307 in words is "three million, six hundred forty-five thousand, three hundred seven".