1563233225 has 12 divisors (see below), whose sum is σ = 1938990480. Its totient is φ = 1250211600.

The previous prime is 1563233209. The next prime is 1563233233. The reversal of 1563233225 is 5223323651.

It is not a de Polignac number, because 1563233225 - 2⁴ = 1563233209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563233191 and 1563233200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101270 + ... + 115680.

It is an arithmetic number, because the mean of its divisors is an integer number (161582540).

Almost surely, 2^1563233225 is an apocalyptic number.

It is an amenable number.

1563233225 is a deficient number, since it is larger than the sum of its proper divisors (375757255).

1563233225 is a wasteful number, since it uses less digits than its factorization.

1563233225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18760 (or 18755 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 1563233225 is about 39537.7443084453. The cubic root of 1563233225 is about 1160.5786908970.

Adding to 1563233225 its reverse (5223323651), we get a palindrome (6786556876).

The spelling of 1563233225 in words is "one billion, five hundred sixty-three million, two hundred thirty-three thousand, two hundred twenty-five".