1563224801 has 2 divisors, whose sum is σ = 1563224802. Its totient is φ = 1563224800.

The previous prime is 1563224797. The next prime is 1563224807. The reversal of 1563224801 is 1084223651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901500625 + 661724176 = 30025^2 + 25724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1563224801 - 2² = 1563224797 is a prime.

It is a super-2 number, since 2×1563224801² = 4887343556922979202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1563224807) 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, 781612400 + 781612401.

It is an arithmetic number, because the mean of its divisors is an integer number (781612401).

Almost surely, 2^1563224801 is an apocalyptic number.

It is an amenable number.

1563224801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563224801 is an equidigital number, since it uses as much as digits as its factorization.

1563224801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1563224801 is about 39537.6377771864. The cubic root of 1563224801 is about 1160.5766061723.

The spelling of 1563224801 in words is "one billion, five hundred sixty-three million, two hundred twenty-four thousand, eight hundred one".