3643325 has 24 divisors (see below), whose sum is σ = 5237760. Its totient is φ = 2462400.

The previous prime is 3643303. The next prime is 3643331. The reversal of 3643325 is 5233463.

It is not a de Polignac number, because 3643325 - 2¹⁴ = 3626941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3643294 and 3643303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18980 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (218240).

Almost surely, 2^3643325 is an apocalyptic number.

3643325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3643325 is a deficient number, since it is larger than the sum of its proper divisors (1594435).

3643325 is a wasteful number, since it uses less digits than its factorization.

3643325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its digits is 6480, while the sum is 26.

The square root of 3643325 is about 1908.7495907007. The cubic root of 3643325 is about 153.8742578465.

Adding to 3643325 its reverse (5233463), we get a palindrome (8876788).

The spelling of 3643325 in words is "three million, six hundred forty-three thousand, three hundred twenty-five".