565603345 has 24 divisors (see below), whose sum is σ = 723353400. Its totient is φ = 424476672.

The previous prime is 565603321. The next prime is 565603361. The reversal of 565603345 is 543306565.

It can be written as a sum of positive squares in 12 ways, for example, as 1635841 + 563967504 = 1279^2 + 23748^2 .

It is not a de Polignac number, because 565603345 - 2²¹ = 563506193 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 735121 + ... + 735889.

It is an arithmetic number, because the mean of its divisors is an integer number (30139725).

Almost surely, 2^565603345 is an apocalyptic number.

It is an amenable number.

565603345 is a deficient number, since it is larger than the sum of its proper divisors (157750055).

565603345 is a wasteful number, since it uses less digits than its factorization.

565603345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 565603345 is about 23782.4167190805. The cubic root of 565603345 is about 826.9971059273.

The spelling of 565603345 in words is "five hundred sixty-five million, six hundred three thousand, three hundred forty-five".