6534857250 has 80 divisors (see below), whose sum is σ = 18274421880. Its totient is φ = 1742623200.

The previous prime is 6534857249. The next prime is 6534857269. The reversal of 6534857250 is 527584356.

6534857250 is a `hidden beast` number, since 6 + 5 + 348 + 57 + 250 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2934497241 + 3600360009 = 54171^2 + 60003^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6534857196 and 6534857205.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141105 + ... + 181604.

Almost surely, 2^6534857250 is an apocalyptic number.

6534857250 is an abundant number, since it is smaller than the sum of its proper divisors (11739564630).

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

6534857250 is a wasteful number, since it uses less digits than its factorization.

6534857250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322738 (or 322719 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 6534857250 is about 80838.4639265245. The cubic root of 6534857250 is about 1869.5856603431.

The spelling of 6534857250 in words is "six billion, five hundred thirty-four million, eight hundred fifty-seven thousand, two hundred fifty".