563040649 has 2 divisors, whose sum is σ = 563040650. Its totient is φ = 563040648.

The previous prime is 563040617. The next prime is 563040679. The reversal of 563040649 is 946040365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555450624 + 7590025 = 23568^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 563040649 - 2⁵ = 563040617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (563040679) 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, 281520324 + 281520325.

It is an arithmetic number, because the mean of its divisors is an integer number (281520325).

Almost surely, 2^563040649 is an apocalyptic number.

It is an amenable number.

563040649 is a deficient number, since it is larger than the sum of its proper divisors (1).

563040649 is an equidigital number, since it uses as much as digits as its factorization.

563040649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 563040649 is about 23728.4775954969. The cubic root of 563040649 is about 825.7461991903.

The spelling of 563040649 in words is "five hundred sixty-three million, forty thousand, six hundred forty-nine".