6506347525 has 48 divisors (see below), whose sum is σ = 8983675008. Its totient is φ = 4649216000.

The previous prime is 6506347417. The next prime is 6506347537. The reversal of 6506347525 is 5257436056.

It is not a de Polignac number, because 6506347525 - 2¹¹ = 6506345477 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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1277985 + ... + 1283065.

It is an arithmetic number, because the mean of its divisors is an integer number (187159896).

Almost surely, 2^6506347525 is an apocalyptic number.

It is an amenable number.

6506347525 is a deficient number, since it is larger than the sum of its proper divisors (2477327483).

6506347525 is a wasteful number, since it uses less digits than its factorization.

6506347525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The square root of 6506347525 is about 80661.9335560461. The cubic root of 6506347525 is about 1866.8628732782.

The spelling of 6506347525 in words is "six billion, five hundred six million, three hundred forty-seven thousand, five hundred twenty-five".