565841 has 8 divisors (see below), whose sum is σ = 596904. Its totient is φ = 535680.

The previous prime is 565813. The next prime is 565849. The reversal of 565841 is 148565.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70225 + 495616 = 265^2 + 704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565841 is a prime.

It is a super-3 number, since 3×565841³ = 543506187333354963, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565841.

It is not an unprimeable number, because it can be changed into a prime (565849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (74613).

2⁵⁶⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

565841 is a deficient number, since it is larger than the sum of its proper divisors (31063).

565841 is a wasteful number, since it uses less digits than its factorization.

565841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 4800, while the sum is 29.

The square root of 565841 is about 752.2240357766. The cubic root of 565841 is about 82.7112918819.

The spelling of 565841 in words is "five hundred sixty-five thousand, eight hundred forty-one".