3504425 has 6 divisors (see below), whose sum is σ = 4345518. Its totient is φ = 2803520.

The previous prime is 3504419. The next prime is 3504427. The reversal of 3504425 is 5244053.

It can be written as a sum of positive squares in 3 ways, for example, as 29929 + 3474496 = 173^2 + 1864^2 .

It is not a de Polignac number, because 3504425 - 2⁸ = 3504169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3504425.

It is not an unprimeable number, because it can be changed into a prime (3504427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70064 + ... + 70113.

It is an arithmetic number, because the mean of its divisors is an integer number (724253).

Almost surely, 2^3504425 is an apocalyptic number.

It is an amenable number.

3504425 is a deficient number, since it is larger than the sum of its proper divisors (841093).

3504425 is a wasteful number, since it uses less digits than its factorization.

3504425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140187 (or 140182 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3504425 is about 1872.0109508227. The cubic root of 3504425 is about 151.8934069151.

Adding to 3504425 its reverse (5244053), we get a palindrome (8748478).

The spelling of 3504425 in words is "three million, five hundred four thousand, four hundred twenty-five".