1563424325 has 6 divisors (see below), whose sum is σ = 1938646194. Its totient is φ = 1250739440.

The previous prime is 1563424273. The next prime is 1563424339. The reversal of 1563424325 is 5234243651.

It can be written as a sum of positive squares in 3 ways, for example, as 17833729 + 1545590596 = 4223^2 + 39314^2 .

It is not a de Polignac number, because 1563424325 - 2⁸ = 1563424069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31268462 + ... + 31268511.

It is an arithmetic number, because the mean of its divisors is an integer number (323107699).

Almost surely, 2^1563424325 is an apocalyptic number.

It is an amenable number.

1563424325 is a deficient number, since it is larger than the sum of its proper divisors (375221869).

1563424325 is an equidigital number, since it uses as much as digits as its factorization.

1563424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62536983 (or 62536978 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 1563424325 is about 39540.1609126721. The cubic root of 1563424325 is about 1160.6259812495.

Adding to 1563424325 its reverse (5234243651), we get a palindrome (6797667976).

The spelling of 1563424325 in words is "one billion, five hundred sixty-three million, four hundred twenty-four thousand, three hundred twenty-five".