563513 has 4 divisors (see below), whose sum is σ = 569088. Its totient is φ = 557940.

The previous prime is 563503. The next prime is 563543. The reversal of 563513 is 315365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315365 = 5 ⋅63073.

It is a cyclic number.

It is not a de Polignac number, because 563513 - 2⁶ = 563449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (142272).

2⁵⁶³⁵¹³ is an apocalyptic number.

It is an amenable number.

563513 is a deficient number, since it is larger than the sum of its proper divisors (5575).

563513 is a wasteful number, since it uses less digits than its factorization.

563513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574.

The product of its digits is 1350, while the sum is 23.

The square root of 563513 is about 750.6750295567. The cubic root of 563513 is about 82.5977048728.

Adding to 563513 its reverse (315365), we get a palindrome (878878).

The spelling of 563513 in words is "five hundred sixty-three thousand, five hundred thirteen".