565365513 has 12 divisors (see below), whose sum is σ = 774750480. Its totient is φ = 366720912.

The previous prime is 565365473. The next prime is 565365517. The reversal of 565365513 is 315563565.

It is not a de Polignac number, because 565365513 - 2¹² = 565361417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (565365517) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64723 + ... + 72936.

It is an arithmetic number, because the mean of its divisors is an integer number (64562540).

Almost surely, 2^565365513 is an apocalyptic number.

It is an amenable number.

565365513 is a deficient number, since it is larger than the sum of its proper divisors (209384967).

565365513 is a wasteful number, since it uses less digits than its factorization.

565365513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137736 (or 137699 counting only the distinct ones).

The product of its digits is 202500, while the sum is 39.

The square root of 565365513 is about 23777.4160286605. The cubic root of 565365513 is about 826.8811742988.

The spelling of 565365513 in words is "five hundred sixty-five million, three hundred sixty-five thousand, five hundred thirteen".