6547481532 has 48 divisors (see below), whose sum is σ = 17098895520. Its totient is φ = 2166558336.

The previous prime is 6547481509. The next prime is 6547481533. The reversal of 6547481532 is 2351847456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6547481533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206463 + ... + 236054.

It is an arithmetic number, because the mean of its divisors is an integer number (356226990).

Almost surely, 2^6547481532 is an apocalyptic number.

It is an amenable number.

6547481532 is an abundant number, since it is smaller than the sum of its proper divisors (10551413988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6547481532 is a wasteful number, since it uses less digits than its factorization.

6547481532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442667 (or 442659 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 6547481532 is about 80916.5096380213. The cubic root of 6547481532 is about 1870.7887977882.

The spelling of 6547481532 in words is "six billion, five hundred forty-seven million, four hundred eighty-one thousand, five hundred thirty-two".