565321241 has 4 divisors (see below), whose sum is σ = 573283584. Its totient is φ = 557358900.

The previous prime is 565321181. The next prime is 565321291. The reversal of 565321241 is 142123565.

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 a de Polignac number, because none of the positive numbers 2^k-565321241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565321291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981065 + ... + 3981206.

It is an arithmetic number, because the mean of its divisors is an integer number (143320896).

Almost surely, 2^565321241 is an apocalyptic number.

It is an amenable number.

565321241 is a deficient number, since it is larger than the sum of its proper divisors (7962343).

565321241 is an equidigital number, since it uses as much as digits as its factorization.

565321241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962342.

The product of its digits is 7200, while the sum is 29.

The square root of 565321241 is about 23776.4850429999. The cubic root of 565321241 is about 826.8595902450.

The spelling of 565321241 in words is "five hundred sixty-five million, three hundred twenty-one thousand, two hundred forty-one".