5645225 has 6 divisors (see below), whose sum is σ = 7000110. Its totient is φ = 4516160.

The previous prime is 5645203. The next prime is 5645239. The reversal of 5645225 is 5225465.

It can be written as a sum of positive squares in 3 ways, for example, as 1430416 + 4214809 = 1196^2 + 2053^2 .

It is not a de Polignac number, because 5645225 - 2⁶ = 5645161 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 112880 + ... + 112929.

It is an arithmetic number, because the mean of its divisors is an integer number (1166685).

Almost surely, 2^5645225 is an apocalyptic number.

It is an amenable number.

5645225 is a deficient number, since it is larger than the sum of its proper divisors (1354885).

5645225 is a wasteful number, since it uses less digits than its factorization.

5645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225819 (or 225814 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 5645225 is about 2375.9682236932. The cubic root of 5645225 is about 178.0575603939.

The spelling of 5645225 in words is "five million, six hundred forty-five thousand, two hundred twenty-five".