5645597 has 4 divisors (see below), whose sum is σ = 5701596. Its totient is φ = 5589600.

The previous prime is 5645579. The next prime is 5645609. The reversal of 5645597 is 7955465.

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 4519876 + 1125721 = 2126^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 5645597 - 2¹⁴ = 5629213 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 (5642597) 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 3 ways as a sum of consecutive naturals, for example, 27848 + ... + 28049.

It is an arithmetic number, because the mean of its divisors is an integer number (1425399).

Almost surely, 2^5645597 is an apocalyptic number.

It is an amenable number.

5645597 is a deficient number, since it is larger than the sum of its proper divisors (55999).

5645597 is a wasteful number, since it uses less digits than its factorization.

5645597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55998.

The product of its digits is 189000, while the sum is 41.

The square root of 5645597 is about 2376.0465062789. The cubic root of 5645597 is about 178.0614714254.

The spelling of 5645597 in words is "five million, six hundred forty-five thousand, five hundred ninety-seven".