3504225 has 12 divisors (see below), whose sum is σ = 5793776. Its totient is φ = 1868880.

The previous prime is 3504223. The next prime is 3504239. The reversal of 3504225 is 5224053.

3504225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3504225 - 2¹ = 3504223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3504223) 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 11 ways as a sum of consecutive naturals, for example, 23287 + ... + 23436.

Almost surely, 2^3504225 is an apocalyptic number.

It is an amenable number.

3504225 is a deficient number, since it is larger than the sum of its proper divisors (2289551).

3504225 is a wasteful number, since it uses less digits than its factorization.

3504225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46736 (or 46731 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3504225 is about 1871.9575315696. The cubic root of 3504225 is about 151.8905173056.

Adding to 3504225 its reverse (5224053), we get a palindrome (8728278).

The spelling of 3504225 in words is "three million, five hundred four thousand, two hundred twenty-five".