565864941 has 16 divisors (see below), whose sum is σ = 813945024. Its totient is φ = 348351744.

The previous prime is 565864921. The next prime is 565864963. The reversal of 565864941 is 149468565.

It is not a de Polignac number, because 565864941 - 2⁶ = 565864877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565864921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101971 + ... + 107376.

It is an arithmetic number, because the mean of its divisors is an integer number (50871564).

Almost surely, 2^565864941 is an apocalyptic number.

565864941 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

565864941 is a deficient number, since it is larger than the sum of its proper divisors (248080083).

565864941 is a wasteful number, since it uses less digits than its factorization.

565864941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209420.

The product of its digits is 1036800, while the sum is 48.

The square root of 565864941 is about 23787.9158607895. The cubic root of 565864941 is about 827.1245838336.

The spelling of 565864941 in words is "five hundred sixty-five million, eight hundred sixty-four thousand, nine hundred forty-one".