3521325 has 24 divisors (see below), whose sum is σ = 6026400. Its totient is φ = 1812160.

The previous prime is 3521303. The next prime is 3521341. The reversal of 3521325 is 5231253.

It is not a de Polignac number, because 3521325 - 2⁵ = 3521293 is a prime.

3521325 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

Almost surely, 2^3521325 is an apocalyptic number.

It is an amenable number.

3521325 is a deficient number, since it is larger than the sum of its proper divisors (2505075).

3521325 is a wasteful number, since it uses less digits than its factorization.

3521325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1656 counting only the distinct ones).

The product of its digits is 900, while the sum is 21.

The square root of 3521325 is about 1876.5193843923. The cubic root of 3521325 is about 152.1371828240.

Adding to 3521325 its reverse (5231253), we get a palindrome (8752578).

The spelling of 3521325 in words is "three million, five hundred twenty-one thousand, three hundred twenty-five".