3645007 has 2 divisors, whose sum is σ = 3645008. Its totient is φ = 3645006.

The previous prime is 3644999. The next prime is 3645013. The reversal of 3645007 is 7005463.

It is a strong prime.

It is an emirp because it is prime and its reverse (7005463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645007 - 2³ = 3644999 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822503 + 1822504.

It is an arithmetic number, because the mean of its divisors is an integer number (1822504).

Almost surely, 2^3645007 is an apocalyptic number.

3645007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645007 is an equidigital number, since it uses as much as digits as its factorization.

3645007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3645007 is about 1909.1901424426. The cubic root of 3645007 is about 153.8979337180.

The spelling of 3645007 in words is "three million, six hundred forty-five thousand, seven".