563126257 has 2 divisors, whose sum is σ = 563126258. Its totient is φ = 563126256.

The previous prime is 563126251. The next prime is 563126261. The reversal of 563126257 is 752621365.

563126257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505305441 + 57820816 = 22479^2 + 7604^2 .

It is a cyclic number.

It is not a de Polignac number, because 563126257 - 2¹⁹ = 562601969 is a prime.

It is a super-2 number, since 2×563126257² = 634222362645660098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (563126251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281563128 + 281563129.

It is an arithmetic number, because the mean of its divisors is an integer number (281563129).

Almost surely, 2^563126257 is an apocalyptic number.

It is an amenable number.

563126257 is a deficient number, since it is larger than the sum of its proper divisors (1).

563126257 is an equidigital number, since it uses as much as digits as its factorization.

563126257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 563126257 is about 23730.2814353307. The cubic root of 563126257 is about 825.7880474999.

The spelling of 563126257 in words is "five hundred sixty-three million, one hundred twenty-six thousand, two hundred fifty-seven".