565544413 has 4 divisors (see below), whose sum is σ = 646336480. Its totient is φ = 484752348.

The previous prime is 565544411. The next prime is 565544437. The reversal of 565544413 is 314445565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565544413 - 2¹ = 565544411 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 (565544411) 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, 40396023 + ... + 40396036.

It is an arithmetic number, because the mean of its divisors is an integer number (161584120).

Almost surely, 2^565544413 is an apocalyptic number.

It is an amenable number.

565544413 is a deficient number, since it is larger than the sum of its proper divisors (80792067).

565544413 is an equidigital number, since it uses as much as digits as its factorization.

565544413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80792066.

The product of its digits is 144000, while the sum is 37.

The square root of 565544413 is about 23781.1777042265. The cubic root of 565544413 is about 826.9683824490.

Adding to 565544413 its reverse (314445565), we get a palindrome (879989978).

The spelling of 565544413 in words is "five hundred sixty-five million, five hundred forty-four thousand, four hundred thirteen".