6847750225 has 6 divisors (see below), whose sum is σ = 8491210310. Its totient is φ = 5478200160.

The previous prime is 6847750223. The next prime is 6847750253. The reversal of 6847750225 is 5220577486.

It can be written as a sum of positive squares in 3 ways, for example, as 288694081 + 6559056144 = 16991^2 + 80988^2 .

It is not a de Polignac number, because 6847750225 - 2¹ = 6847750223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6847750223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136954980 + ... + 136955029.

Almost surely, 2^6847750225 is an apocalyptic number.

It is an amenable number.

6847750225 is a deficient number, since it is larger than the sum of its proper divisors (1643460085).

6847750225 is a wasteful number, since it uses less digits than its factorization.

6847750225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273910019 (or 273910014 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 6847750225 is about 82751.1342822562. The cubic root of 6847750225 is about 1898.9606711872.

The spelling of 6847750225 in words is "six billion, eight hundred forty-seven million, seven hundred fifty thousand, two hundred twenty-five".