3225745 has 4 divisors (see below), whose sum is σ = 3870900. Its totient is φ = 2580592.

The previous prime is 3225737. The next prime is 3225749. The reversal of 3225745 is 5475223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 804609 + 2421136 = 897^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225745 - 2³ = 3225737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3225749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322570 + ... + 322579.

It is an arithmetic number, because the mean of its divisors is an integer number (967725).

Almost surely, 2^3225745 is an apocalyptic number.

It is an amenable number.

3225745 is a deficient number, since it is larger than the sum of its proper divisors (645155).

3225745 is an equidigital number, since it uses as much as digits as its factorization.

3225745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645154.

The product of its digits is 8400, while the sum is 28.

The square root of 3225745 is about 1796.0359127813. The cubic root of 3225745 is about 147.7553939795.

The spelling of 3225745 in words is "three million, two hundred twenty-five thousand, seven hundred forty-five".