5645641 has 8 divisors (see below), whose sum is σ = 6000480. Its totient is φ = 5296608.

The previous prime is 5645639. The next prime is 5645657. The reversal of 5645641 is 1465465.

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

It is a cyclic number.

It is not a de Polignac number, because 5645641 - 2¹ = 5645639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (750060).

Almost surely, 2^5645641 is an apocalyptic number.

It is an amenable number.

5645641 is a deficient number, since it is larger than the sum of its proper divisors (354839).

5645641 is a wasteful number, since it uses less digits than its factorization.

5645641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its digits is 14400, while the sum is 31.

The square root of 5645641 is about 2376.0557653389. The cubic root of 5645641 is about 178.0619340091.

The spelling of 5645641 in words is "five million, six hundred forty-five thousand, six hundred forty-one".