563211401 has 2 divisors, whose sum is σ = 563211402. Its totient is φ = 563211400.

The previous prime is 563211371. The next prime is 563211403. The reversal of 563211401 is 104112365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559369801 + 3841600 = 23651^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 563211401 - 2²² = 559017097 is a prime.

Together with 563211403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (563211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281605700 + 281605701.

It is an arithmetic number, because the mean of its divisors is an integer number (281605701).

Almost surely, 2^563211401 is an apocalyptic number.

It is an amenable number.

563211401 is a deficient number, since it is larger than the sum of its proper divisors (1).

563211401 is an equidigital number, since it uses as much as digits as its factorization.

563211401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 563211401 is about 23732.0753622603. The cubic root of 563211401 is about 825.8296647828.

Adding to 563211401 its reverse (104112365), we get a palindrome (667323766).

The spelling of 563211401 in words is "five hundred sixty-three million, two hundred eleven thousand, four hundred one".