560221 has 2 divisors, whose sum is σ = 560222. Its totient is φ = 560220.

The previous prime is 560213. The next prime is 560227. The reversal of 560221 is 122065.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 34596 = 725^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 560221 - 2³ = 560213 is a prime.

560221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 560195 and 560204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280110 + 280111.

It is an arithmetic number, because the mean of its divisors is an integer number (280111).

2⁵⁶⁰²²¹ is an apocalyptic number.

It is an amenable number.

560221 is a deficient number, since it is larger than the sum of its proper divisors (1).

560221 is an equidigital number, since it uses as much as digits as its factorization.

560221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 560221 is about 748.4791246254. The cubic root of 560221 is about 82.4365474755.

Adding to 560221 its reverse (122065), we get a palindrome (682286).

The spelling of 560221 in words is "five hundred sixty thousand, two hundred twenty-one".