562021 has 2 divisors, whose sum is σ = 562022. Its totient is φ = 562020.

The previous prime is 562019. The next prime is 562043. The reversal of 562021 is 120265.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 171396 = 625^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 562021 - 2¹ = 562019 is a prime.

Together with 562019, it forms a pair of twin primes.

It is equal to p₄₆₂₂₂ and since 562021 and 46222 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 561986 and 562004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (562091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281010 + 281011.

It is an arithmetic number, because the mean of its divisors is an integer number (281011).

2⁵⁶²⁰²¹ is an apocalyptic number.

It is an amenable number.

562021 is a deficient number, since it is larger than the sum of its proper divisors (1).

562021 is an equidigital number, since it uses as much as digits as its factorization.

562021 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 562021 is about 749.6805986552. The cubic root of 562021 is about 82.5247431140.

Adding to 562021 its reverse (120265), we get a palindrome (682286).

It can be divided in two parts, 5 and 62021, that added together give a palindrome (62026).

The spelling of 562021 in words is "five hundred sixty-two thousand, twenty-one".