1563315113 has 2 divisors, whose sum is σ = 1563315114. Its totient is φ = 1563315112.

The previous prime is 1563315107. The next prime is 1563315139. The reversal of 1563315113 is 3115133651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056705049 + 506610064 = 32507^2 + 22508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1563315113 - 2⁶ = 1563315049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1563315163) 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, 781657556 + 781657557.

It is an arithmetic number, because the mean of its divisors is an integer number (781657557).

Almost surely, 2^1563315113 is an apocalyptic number.

It is an amenable number.

1563315113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563315113 is an equidigital number, since it uses as much as digits as its factorization.

1563315113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 29.

The square root of 1563315113 is about 39538.7798623073. The cubic root of 1563315113 is about 1160.5989556932.

Adding to 1563315113 its reverse (3115133651), we get a palindrome (4678448764).

The spelling of 1563315113 in words is "one billion, five hundred sixty-three million, three hundred fifteen thousand, one hundred thirteen".