6531200685 has 24 divisors (see below), whose sum is σ = 11324287104. Its totient is φ = 3482218080.

The previous prime is 6531200659. The next prime is 6531200707. The reversal of 6531200685 is 5860021356.

It is not a de Polignac number, because 6531200685 - 2¹² = 6531196589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134880 + ... + 176790.

It is an arithmetic number, because the mean of its divisors is an integer number (471845296).

Almost surely, 2^6531200685 is an apocalyptic number.

It is an amenable number.

6531200685 is a deficient number, since it is larger than the sum of its proper divisors (4793086419).

6531200685 is a wasteful number, since it uses less digits than its factorization.

6531200685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45385 (or 45382 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6531200685 is about 80815.8442695490. The cubic root of 6531200685 is about 1869.2368877687.

The spelling of 6531200685 in words is "six billion, five hundred thirty-one million, two hundred thousand, six hundred eighty-five".