3581125 has 8 divisors (see below), whose sum is σ = 4469400. Its totient is φ = 2864800.

The previous prime is 3581117. The next prime is 3581129. The reversal of 3581125 is 5211853.

It is a happy number.

3581125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 191844 + 3389281 = 438^2 + 1841^2 .

It is not a de Polignac number, because 3581125 - 2³ = 3581117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3581125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14200 + ... + 14449.

It is an arithmetic number, because the mean of its divisors is an integer number (558675).

Almost surely, 2^3581125 is an apocalyptic number.

It is an amenable number.

3581125 is a deficient number, since it is larger than the sum of its proper divisors (888275).

3581125 is an equidigital number, since it uses as much as digits as its factorization.

3581125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28664 (or 28654 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 3581125 is about 1892.3860599782. The cubic root of 3581125 is about 152.9935634583.

Adding to 3581125 its reverse (5211853), we get a palindrome (8792978).

The spelling of 3581125 in words is "three million, five hundred eighty-one thousand, one hundred twenty-five".