563701081 has 2 divisors, whose sum is σ = 563701082. Its totient is φ = 563701080.

The previous prime is 563701069. The next prime is 563701097. The reversal of 563701081 is 180107365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324720400 + 238980681 = 18020^2 + 15459^2 .

It is a cyclic number.

It is not a de Polignac number, because 563701081 - 2⁵ = 563701049 is a prime.

It is a super-2 number, since 2×563701081² = 635517817441137122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (563701001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281850540 + 281850541.

It is an arithmetic number, because the mean of its divisors is an integer number (281850541).

Almost surely, 2^563701081 is an apocalyptic number.

It is an amenable number.

563701081 is a deficient number, since it is larger than the sum of its proper divisors (1).

563701081 is an equidigital number, since it uses as much as digits as its factorization.

563701081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 563701081 is about 23742.3899597324. The cubic root of 563701081 is about 826.0689326240.

The spelling of 563701081 in words is "five hundred sixty-three million, seven hundred one thousand, eighty-one".