3649325 has 12 divisors (see below), whose sum is σ = 4601268. Its totient is φ = 2870400.

The previous prime is 3649313. The next prime is 3649337. The reversal of 3649325 is 5239463.

It is an interprime number because it is at equal distance from previous prime (3649313) and next prime (3649337).

It can be written as a sum of positive squares in 6 ways, for example, as 1747684 + 1901641 = 1322^2 + 1379^2 .

It is not a de Polignac number, because 3649325 - 2¹⁰ = 3648301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3649291 and 3649300.

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, 329 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (383439).

Almost surely, 2^3649325 is an apocalyptic number.

It is an amenable number.

3649325 is a deficient number, since it is larger than the sum of its proper divisors (951943).

3649325 is a wasteful number, since it uses less digits than its factorization.

3649325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2459 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 3649325 is about 1910.3206537124. The cubic root of 3649325 is about 153.9586806559.

The spelling of 3649325 in words is "three million, six hundred forty-nine thousand, three hundred twenty-five".