5645797 has 4 divisors (see below), whose sum is σ = 5654860. Its totient is φ = 5636736.

The previous prime is 5645779. The next prime is 5645851. The reversal of 5645797 is 7975465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 2163841 = 1866^2 + 1471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5645797 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 (5643797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (1413715).

Almost surely, 2^5645797 is an apocalyptic number.

It is an amenable number.

5645797 is a deficient number, since it is larger than the sum of its proper divisors (9063).

5645797 is an equidigital number, since it uses as much as digits as its factorization.

5645797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062.

The product of its digits is 264600, while the sum is 43.

The square root of 5645797 is about 2376.0885926244. The cubic root of 5645797 is about 178.0635740594.

The spelling of 5645797 in words is "five million, six hundred forty-five thousand, seven hundred ninety-seven".