565056503 has 8 divisors (see below), whose sum is σ = 637681680. Its totient is φ = 495974080.

The previous prime is 565056497. The next prime is 565056509. The reversal of 565056503 is 305650565.

It is an interprime number because it is at equal distance from previous prime (565056497) and next prime (565056509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 565056503 - 2¹⁸ = 564794359 is a prime.

It is a super-3 number, since 3×565056503³ (a number of 27 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565056509) 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 7 ways as a sum of consecutive naturals, for example, 885350 + ... + 885987.

It is an arithmetic number, because the mean of its divisors is an integer number (79710210).

Almost surely, 2^565056503 is an apocalyptic number.

565056503 is a deficient number, since it is larger than the sum of its proper divisors (72625177).

565056503 is a wasteful number, since it uses less digits than its factorization.

565056503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771377.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 565056503 is about 23770.9171678335. The cubic root of 565056503 is about 826.7304982542.

The spelling of 565056503 in words is "five hundred sixty-five million, fifty-six thousand, five hundred three".