565353431 has 4 divisors (see below), whose sum is σ = 565434072. Its totient is φ = 565272792.

The previous prime is 565353413. The next prime is 565353443. The reversal of 565353431 is 134353565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 565353431 - 2⁶ = 565353367 is a prime.

It is a super-2 number, since 2×565353431² = 639249003886943522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 565353391 and 565353400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565353401) 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 3 ways as a sum of consecutive naturals, for example, 28685 + ... + 44198.

It is an arithmetic number, because the mean of its divisors is an integer number (141358518).

Almost surely, 2^565353431 is an apocalyptic number.

565353431 is a deficient number, since it is larger than the sum of its proper divisors (80641).

565353431 is an equidigital number, since it uses as much as digits as its factorization.

565353431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80640.

The product of its digits is 81000, while the sum is 35.

The square root of 565353431 is about 23777.1619626902. The cubic root of 565353431 is about 826.8752840389.

It can be divided in two parts, 5653534 and 31, that added together give a palindrome (5653565).

The spelling of 565353431 in words is "five hundred sixty-five million, three hundred fifty-three thousand, four hundred thirty-one".