565097797 has 4 divisors (see below), whose sum is σ = 616470336. Its totient is φ = 513725260.

The previous prime is 565097759. The next prime is 565097837. The reversal of 565097797 is 797790565.

565097797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 565097797 - 2¹⁹ = 564573509 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 (565097597) 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, 25686253 + ... + 25686274.

It is an arithmetic number, because the mean of its divisors is an integer number (154117584).

Almost surely, 2^565097797 is an apocalyptic number.

It is an amenable number.

565097797 is a deficient number, since it is larger than the sum of its proper divisors (51372539).

565097797 is a wasteful number, since it uses less digits than its factorization.

565097797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51372538.

The product of its (nonzero) digits is 4167450, while the sum is 55.

The square root of 565097797 is about 23771.7857343532. The cubic root of 565097797 is about 826.7506367581.

The spelling of 565097797 in words is "five hundred sixty-five million, ninety-seven thousand, seven hundred ninety-seven".