3421725 has 24 divisors (see below), whose sum is σ = 5794272. Its totient is φ = 1780800.

The previous prime is 3421711. The next prime is 3421751. The reversal of 3421725 is 5271243.

3421725 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 3421725 - 2⁶ = 3421661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3421695 and 3421704.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2695 + ... + 3755.

It is an arithmetic number, because the mean of its divisors is an integer number (241428).

Almost surely, 2^3421725 is an apocalyptic number.

It is an amenable number.

3421725 is a deficient number, since it is larger than the sum of its proper divisors (2372547).

3421725 is a wasteful number, since it uses less digits than its factorization.

3421725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 3421725 is about 1849.7905286816. The cubic root of 3421725 is about 150.6890520902.

Adding to 3421725 its reverse (5271243), we get a palindrome (8692968).

The spelling of 3421725 in words is "three million, four hundred twenty-one thousand, seven hundred twenty-five".