1563761063 has 2 divisors, whose sum is σ = 1563761064. Its totient is φ = 1563761062.

The previous prime is 1563761057. The next prime is 1563761209. The reversal of 1563761063 is 3601673651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1563761063 - 2⁶ = 1563760999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1563761963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781880531 + 781880532.

It is an arithmetic number, because the mean of its divisors is an integer number (781880532).

Almost surely, 2^1563761063 is an apocalyptic number.

1563761063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563761063 is an equidigital number, since it uses as much as digits as its factorization.

1563761063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1563761063 is about 39544.4188603145. The cubic root of 1563761063 is about 1160.7093023734.

The spelling of 1563761063 in words is "one billion, five hundred sixty-three million, seven hundred sixty-one thousand, sixty-three".