3645325 has 12 divisors (see below), whose sum is σ = 4626688. Its totient is φ = 2847600.

The previous prime is 3645307. The next prime is 3645347. The reversal of 3645325 is 5235463.

It is not a de Polignac number, because 3645325 - 2¹⁹ = 3121037 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645293 and 3645302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621 + ... + 2770.

Almost surely, 2^3645325 is an apocalyptic number.

It is an amenable number.

3645325 is a deficient number, since it is larger than the sum of its proper divisors (981363).

3645325 is a wasteful number, since it uses less digits than its factorization.

3645325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 3645325 is about 1909.2734220116. The cubic root of 3645325 is about 153.9024090747.

The spelling of 3645325 in words is "three million, six hundred forty-five thousand, three hundred twenty-five".