565441613 has 4 divisors (see below), whose sum is σ = 616845408. Its totient is φ = 514037820.

The previous prime is 565441601. The next prime is 565441627. The reversal of 565441613 is 316144565.

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 565441613 - 2⁶ = 565441549 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 (565441633) 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, 25701881 + ... + 25701902.

It is an arithmetic number, because the mean of its divisors is an integer number (154211352).

Almost surely, 2^565441613 is an apocalyptic number.

It is an amenable number.

565441613 is a deficient number, since it is larger than the sum of its proper divisors (51403795).

565441613 is a wasteful number, since it uses less digits than its factorization.

565441613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51403794.

The product of its digits is 43200, while the sum is 35.

The square root of 565441613 is about 23779.0162328049. The cubic root of 565441613 is about 826.9182729149.

The spelling of 565441613 in words is "five hundred sixty-five million, four hundred forty-one thousand, six hundred thirteen".