565836841 has 4 divisors (see below), whose sum is σ = 567458500. Its totient is φ = 564215184.

The previous prime is 565836839. The next prime is 565836847. The reversal of 565836841 is 148638565.

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 366914025 + 198922816 = 19155^2 + 14104^2 .

It is a cyclic number.

It is not a de Polignac number, because 565836841 - 2¹ = 565836839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 565836791 and 565836800.

It is not an unprimeable number, because it can be changed into a prime (565836847) 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, 810306 + ... + 811003.

It is an arithmetic number, because the mean of its divisors is an integer number (141864625).

Almost surely, 2^565836841 is an apocalyptic number.

It is an amenable number.

565836841 is a deficient number, since it is larger than the sum of its proper divisors (1621659).

565836841 is a wasteful number, since it uses less digits than its factorization.

565836841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621658.

The product of its digits is 691200, while the sum is 46.

The square root of 565836841 is about 23787.3252174346. The cubic root of 565836841 is about 827.1108923536.

The spelling of 565836841 in words is "five hundred sixty-five million, eight hundred thirty-six thousand, eight hundred forty-one".