563121 has 12 divisors (see below), whose sum is σ = 876148. Its totient is φ = 346464.

The previous prime is 563119. The next prime is 563131. The reversal of 563121 is 121365.

563121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 245025 + 318096 = 495^2 + 564^2 .

It is not a de Polignac number, because 563121 - 2¹ = 563119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563094 and 563103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2290 + ... + 2523.

2⁵⁶³¹²¹ is an apocalyptic number.

It is an amenable number.

563121 is a deficient number, since it is larger than the sum of its proper divisors (313027).

563121 is a wasteful number, since it uses less digits than its factorization.

563121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832 (or 4829 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 563121 is about 750.4138857990. The cubic root of 563121 is about 82.5785477809.

Adding to 563121 its reverse (121365), we get a palindrome (684486).

The spelling of 563121 in words is "five hundred sixty-three thousand, one hundred twenty-one".