3225405 has 16 divisors (see below), whose sum is σ = 5385600. Its totient is φ = 1645248.

The previous prime is 3225389. The next prime is 3225407. The reversal of 3225405 is 5045223.

It is not a de Polignac number, because 3225405 - 2⁴ = 3225389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

Almost surely, 2^3225405 is an apocalyptic number.

It is an amenable number.

3225405 is a deficient number, since it is larger than the sum of its proper divisors (2160195).

3225405 is a wasteful number, since it uses less digits than its factorization.

3225405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380.

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

The square root of 3225405 is about 1795.9412573912. The cubic root of 3225405 is about 147.7502025587.

The spelling of 3225405 in words is "three million, two hundred twenty-five thousand, four hundred five".