5645385 has 12 divisors (see below), whose sum is σ = 9785412. Its totient is φ = 3010848.

The previous prime is 5645383. The next prime is 5645407. The reversal of 5645385 is 5835465.

5645385 is a `hidden beast` number, since 5 + 645 + 3 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 3606201 = 1428^2 + 1899^2 .

It is not a de Polignac number, because 5645385 - 2¹ = 5645383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5645383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62682 + ... + 62771.

It is an arithmetic number, because the mean of its divisors is an integer number (815451).

Almost surely, 2^5645385 is an apocalyptic number.

It is an amenable number.

5645385 is a deficient number, since it is larger than the sum of its proper divisors (4140027).

5645385 is a wasteful number, since it uses less digits than its factorization.

5645385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125464 (or 125461 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5645385 is about 2376.0018939386. The cubic root of 5645385 is about 178.0592425790.

The spelling of 5645385 in words is "five million, six hundred forty-five thousand, three hundred eighty-five".