5645071 has 8 divisors (see below), whose sum is σ = 6292080. Its totient is φ = 5033088.

The previous prime is 5645063. The next prime is 5645077. The reversal of 5645071 is 1705465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5645071 - 2³ = 5645063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645077) 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 7 ways as a sum of consecutive naturals, for example, 8416 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (786510).

Almost surely, 2^5645071 is an apocalyptic number.

5645071 is a deficient number, since it is larger than the sum of its proper divisors (647009).

5645071 is a wasteful number, since it uses less digits than its factorization.

5645071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5645071 is about 2375.9358156314. The cubic root of 5645071 is about 178.0559412607.

The spelling of 5645071 in words is "five million, six hundred forty-five thousand, seventy-one".