565230399 has 32 divisors (see below), whose sum is σ = 819903744. Its totient is φ = 344977920.

The previous prime is 565230397. The next prime is 565230401. The reversal of 565230399 is 993032565.

It is an interprime number because it is at equal distance from previous prime (565230397) and next prime (565230401).

It is not a de Polignac number, because 565230399 - 2¹ = 565230397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565230399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565230397) 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 31 ways as a sum of consecutive naturals, for example, 817644 + ... + 818334.

It is an arithmetic number, because the mean of its divisors is an integer number (25621992).

Almost surely, 2^565230399 is an apocalyptic number.

565230399 is a deficient number, since it is larger than the sum of its proper divisors (254673345).

565230399 is a wasteful number, since it uses less digits than its factorization.

565230399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 218700, while the sum is 42.

The square root of 565230399 is about 23774.5746334188. The cubic root of 565230399 is about 826.8152982584.

The spelling of 565230399 in words is "five hundred sixty-five million, two hundred thirty thousand, three hundred ninety-nine".