5645603 has 8 divisors (see below), whose sum is σ = 6201600. Its totient is φ = 5115528.

The previous prime is 5645579. The next prime is 5645609. The reversal of 5645603 is 3065465.

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 5645603 - 2⁶ = 5645539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5645609) 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, 6023 + ... + 6896.

It is an arithmetic number, because the mean of its divisors is an integer number (775200).

Almost surely, 2^5645603 is an apocalyptic number.

5645603 is a deficient number, since it is larger than the sum of its proper divisors (555997).

5645603 is a wasteful number, since it uses less digits than its factorization.

5645603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5645603 is about 2376.0477688801. The cubic root of 5645603 is about 178.0615345051.

The spelling of 5645603 in words is "five million, six hundred forty-five thousand, six hundred three".