562421 has 2 divisors, whose sum is σ = 562422. Its totient is φ = 562420.

The previous prime is 562417. The next prime is 562427. The reversal of 562421 is 124265.

It is a happy number.

562421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555025 + 7396 = 745^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 562421 - 2² = 562417 is a prime.

It is a super-3 number, since 3×562421³ = 533710613624833383, which contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 562393 and 562402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 562421.

It is not a weakly prime, because it can be changed into another prime (562427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281210 + 281211.

It is an arithmetic number, because the mean of its divisors is an integer number (281211).

2⁵⁶²⁴²¹ is an apocalyptic number.

It is an amenable number.

562421 is a deficient number, since it is larger than the sum of its proper divisors (1).

562421 is an equidigital number, since it uses as much as digits as its factorization.

562421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 562421 is about 749.9473314840. The cubic root of 562421 is about 82.5443165636.

Adding to 562421 its reverse (124265), we get a palindrome (686686).

It can be divided in two parts, 5 and 62421, that added together give a palindrome (62426).

The spelling of 562421 in words is "five hundred sixty-two thousand, four hundred twenty-one".