5666597 has 4 divisors (see below), whose sum is σ = 5671776. Its totient is φ = 5661420.

The previous prime is 5666561. The next prime is 5666599. The reversal of 5666597 is 7956665.

5666597 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5666597 - 2⁸ = 5666341 is a prime.

It is a super-2 number, since 2×5666597² = 64220643120818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 3374.

It is an arithmetic number, because the mean of its divisors is an integer number (1417944).

Almost surely, 2^5666597 is an apocalyptic number.

It is an amenable number.

5666597 is a deficient number, since it is larger than the sum of its proper divisors (5179).

5666597 is a wasteful number, since it uses less digits than its factorization.

5666597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178.

The product of its digits is 340200, while the sum is 44.

The square root of 5666597 is about 2380.4615098758. The cubic root of 5666597 is about 178.2819774288.

The spelling of 5666597 in words is "five million, six hundred sixty-six thousand, five hundred ninety-seven".