563545 has 8 divisors (see below), whose sum is σ = 693000. Its totient is φ = 439680.

The previous prime is 563543. The next prime is 563551. The reversal of 563545 is 545365.

It can be written as a sum of positive squares in 4 ways, for example, as 17424 + 546121 = 132^2 + 739^2 .

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

It is not a de Polignac number, because 563545 - 2¹ = 563543 is a prime.

563545 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (86625).

2⁵⁶³⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

563545 is a deficient number, since it is larger than the sum of its proper divisors (129455).

563545 is a wasteful number, since it uses less digits than its factorization.

563545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its digits is 9000, while the sum is 28.

The square root of 563545 is about 750.6963434039. The cubic root of 563545 is about 82.5992683248.

The spelling of 563545 in words is "five hundred sixty-three thousand, five hundred forty-five".