6531133625 has 32 divisors (see below), whose sum is σ = 8811853440. Its totient is φ = 4816065600.

The previous prime is 6531133607. The next prime is 6531133667. The reversal of 6531133625 is 5263311356.

It is not a de Polignac number, because 6531133625 - 2¹² = 6531129529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50714 + ... + 125036.

It is an arithmetic number, because the mean of its divisors is an integer number (275370420).

Almost surely, 2^6531133625 is an apocalyptic number.

It is an amenable number.

6531133625 is a deficient number, since it is larger than the sum of its proper divisors (2280719815).

6531133625 is a wasteful number, since it uses less digits than its factorization.

6531133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74394 (or 74384 counting only the distinct ones).

The product of its digits is 48600, while the sum is 35.

The square root of 6531133625 is about 80815.4293745941. The cubic root of 6531133625 is about 1869.2304901980.

The spelling of 6531133625 in words is "six billion, five hundred thirty-one million, one hundred thirty-three thousand, six hundred twenty-five".