5665573 has 4 divisors (see below), whose sum is σ = 5998860. Its totient is φ = 5332288.

The previous prime is 5665571. The next prime is 5665579. The reversal of 5665573 is 3755665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3755665 = 5 ⋅751133.

It can be written as a sum of positive squares in 2 ways, for example, as 2683044 + 2982529 = 1638^2 + 1727^2 .

It is not a de Polignac number, because 5665573 - 2¹ = 5665571 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 (5665571) 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, 166618 + ... + 166651.

It is an arithmetic number, because the mean of its divisors is an integer number (1499715).

Almost surely, 2^5665573 is an apocalyptic number.

It is an amenable number.

5665573 is a deficient number, since it is larger than the sum of its proper divisors (333287).

5665573 is a wasteful number, since it uses less digits than its factorization.

5665573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333286.

The product of its digits is 94500, while the sum is 37.

The square root of 5665573 is about 2380.2464158150. The cubic root of 5665573 is about 178.2712377825.

The spelling of 5665573 in words is "five million, six hundred sixty-five thousand, five hundred seventy-three".