3525625 has 10 divisors (see below), whose sum is σ = 4406402. Its totient is φ = 2820000.

The previous prime is 3525623. The next prime is 3525637. The reversal of 3525625 is 5265253.

It can be written as a sum of positive squares in 5 ways, for example, as 385641 + 3139984 = 621^2 + 1772^2 .

It is not a de Polignac number, because 3525625 - 2¹ = 3525623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3525593 and 3525602.

It is not an unprimeable number, because it can be changed into a prime (3525623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2196 + ... + 3445.

Almost surely, 2^3525625 is an apocalyptic number.

It is an amenable number.

3525625 is a deficient number, since it is larger than the sum of its proper divisors (880777).

3525625 is an frugal number, since it uses more digits than its factorization.

3525625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661 (or 5646 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 3525625 is about 1877.6647730625. The cubic root of 3525625 is about 152.1990841237.

The spelling of 3525625 in words is "three million, five hundred twenty-five thousand, six hundred twenty-five".