3643125 has 40 divisors (see below), whose sum is σ = 6372960. Its totient is φ = 1848000.

The previous prime is 3643099. The next prime is 3643127. The reversal of 3643125 is 5213463.

It is a happy number.

It is not a de Polignac number, because 3643125 - 2¹⁰ = 3642101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3643095 and 3643104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54342 + ... + 54408.

It is an arithmetic number, because the mean of its divisors is an integer number (159324).

Almost surely, 2^3643125 is an apocalyptic number.

It is an amenable number.

3643125 is a deficient number, since it is larger than the sum of its proper divisors (2729835).

3643125 is an equidigital number, since it uses as much as digits as its factorization.

3643125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 104 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 3643125 is about 1908.6971996626. The cubic root of 3643125 is about 153.8714421571.

Adding to 3643125 its reverse (5213463), we get a palindrome (8856588).

The spelling of 3643125 in words is "three million, six hundred forty-three thousand, one hundred twenty-five".