8231201563 has 4 divisors (see below), whose sum is σ = 8864370928. Its totient is φ = 7598032200.

The previous prime is 8231201543. The next prime is 8231201617. The reversal of 8231201563 is 3651021328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8231201563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8231201543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 316584663 + ... + 316584688.

It is an arithmetic number, because the mean of its divisors is an integer number (2216092732).

Almost surely, 2^8231201563 is an apocalyptic number.

8231201563 is a deficient number, since it is larger than the sum of its proper divisors (633169365).

8231201563 is a wasteful number, since it uses less digits than its factorization.

8231201563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633169364.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8231201563 is about 90725.9696173042. The cubic root of 8231201563 is about 2019.0841159671.

The spelling of 8231201563 in words is "eight billion, two hundred thirty-one million, two hundred one thousand, five hundred sixty-three".