8481531263 has 4 divisors (see below), whose sum is σ = 8482975440. Its totient is φ = 8480087088.

The previous prime is 8481531241. The next prime is 8481531283. The reversal of 8481531263 is 3621351848.

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

It is a cyclic number.

It is not a de Polignac number, because 8481531263 - 2⁸ = 8481531007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8481531263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481531283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713243 + ... + 725036.

It is an arithmetic number, because the mean of its divisors is an integer number (2120743860).

Almost surely, 2^8481531263 is an apocalyptic number.

8481531263 is a deficient number, since it is larger than the sum of its proper divisors (1444177).

8481531263 is a wasteful number, since it uses less digits than its factorization.

8481531263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444176.

The product of its digits is 138240, while the sum is 41.

The square root of 8481531263 is about 92095.2293172670. The cubic root of 8481531263 is about 2039.3483808053.

The spelling of 8481531263 in words is "eight billion, four hundred eighty-one million, five hundred thirty-one thousand, two hundred sixty-three".