6525351538 has 8 divisors (see below), whose sum is σ = 10125545580. Its totient is φ = 3150169680.

The previous prime is 6525351533. The next prime is 6525351571. The reversal of 6525351538 is 8351535256.

It can be written as a sum of positive squares in 2 ways, for example, as 6519432049 + 5919489 = 80743^2 + 2433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6525351494 and 6525351503.

It is not an unprimeable number, because it can be changed into a prime (6525351533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56252973 + ... + 56253088.

Almost surely, 2^6525351538 is an apocalyptic number.

6525351538 is a deficient number, since it is larger than the sum of its proper divisors (3600194042).

6525351538 is a wasteful number, since it uses less digits than its factorization.

6525351538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112506092.

The product of its digits is 540000, while the sum is 43.

The square root of 6525351538 is about 80779.6480433036. The cubic root of 6525351538 is about 1868.6787103180.

The spelling of 6525351538 in words is "six billion, five hundred twenty-five million, three hundred fifty-one thousand, five hundred thirty-eight".