3225145 has 16 divisors (see below), whose sum is σ = 4825728. Its totient is φ = 2010240.

The previous prime is 3225143. The next prime is 3225149. The reversal of 3225145 is 5415223.

3225145 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 3225145 - 2¹ = 3225143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225143) 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 15 ways as a sum of consecutive naturals, for example, 3804 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (301608).

Almost surely, 2^3225145 is an apocalyptic number.

3225145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3225145 is a deficient number, since it is larger than the sum of its proper divisors (1600583).

3225145 is a wasteful number, since it uses less digits than its factorization.

3225145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its digits is 1200, while the sum is 22.

The square root of 3225145 is about 1795.8688704914. The cubic root of 3225145 is about 147.7462324025.

The spelling of 3225145 in words is "three million, two hundred twenty-five thousand, one hundred forty-five".