5645205 has 24 divisors (see below), whose sum is σ = 9840480. Its totient is φ = 2993760.

The previous prime is 5645203. The next prime is 5645239. The reversal of 5645205 is 5025465.

5645205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5645205 - 2¹ = 5645203 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645203) 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 23 ways as a sum of consecutive naturals, for example, 14706 + ... + 15084.

It is an arithmetic number, because the mean of its divisors is an integer number (410020).

Almost surely, 2^5645205 is an apocalyptic number.

It is an amenable number.

5645205 is a deficient number, since it is larger than the sum of its proper divisors (4195275).

5645205 is a wasteful number, since it uses less digits than its factorization.

5645205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5645205 is about 2375.9640148790. The cubic root of 5645205 is about 178.0573501185.

The spelling of 5645205 in words is "five million, six hundred forty-five thousand, two hundred five".