3621125 has 16 divisors (see below), whose sum is σ = 4605120. Its totient is φ = 2842000.

The previous prime is 3621113. The next prime is 3621127. The reversal of 3621125 is 5211263.

It is a de Polignac number, because none of the positive numbers 2^k-3621125 is a prime.

It is a super-3 number, since 3×3621125³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3621097 and 3621106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7130 + ... + 7620.

It is an arithmetic number, because the mean of its divisors is an integer number (287820).

Almost surely, 2^3621125 is an apocalyptic number.

It is an amenable number.

3621125 is a deficient number, since it is larger than the sum of its proper divisors (983995).

3621125 is an equidigital number, since it uses as much as digits as its factorization.

3621125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 555 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 3621125 is about 1902.9253795144. The cubic root of 3621125 is about 153.5610850897.

Adding to 3621125 its reverse (5211263), we get a palindrome (8832388).

The spelling of 3621125 in words is "three million, six hundred twenty-one thousand, one hundred twenty-five".