1563788341 has 2 divisors, whose sum is σ = 1563788342. Its totient is φ = 1563788340.

The previous prime is 1563788327. The next prime is 1563788357. The reversal of 1563788341 is 1438873651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873202500 + 690585841 = 29550^2 + 26279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1563788341 - 2⁹ = 1563787829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563788291 and 1563788300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1563788041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781894170 + 781894171.

It is an arithmetic number, because the mean of its divisors is an integer number (781894171).

Almost surely, 2^1563788341 is an apocalyptic number.

It is an amenable number.

1563788341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563788341 is an equidigital number, since it uses as much as digits as its factorization.

1563788341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 1563788341 is about 39544.7637620962. The cubic root of 1563788341 is about 1160.7160514105.

The spelling of 1563788341 in words is "one billion, five hundred sixty-three million, seven hundred eighty-eight thousand, three hundred forty-one".