3528625 has 8 divisors (see below), whose sum is σ = 4403880. Its totient is φ = 2822800.

The previous prime is 3528607. The next prime is 3528631. The reversal of 3528625 is 5268253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 2614689 = 956^2 + 1617^2 .

It is not a de Polignac number, because 3528625 - 2⁵ = 3528593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13990 + ... + 14239.

It is an arithmetic number, because the mean of its divisors is an integer number (550485).

Almost surely, 2^3528625 is an apocalyptic number.

It is an amenable number.

3528625 is a deficient number, since it is larger than the sum of its proper divisors (875255).

3528625 is an equidigital number, since it uses as much as digits as its factorization.

3528625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28244 (or 28234 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 3528625 is about 1878.4634678375. The cubic root of 3528625 is about 152.2422412760.

The spelling of 3528625 in words is "three million, five hundred twenty-eight thousand, six hundred twenty-five".