6512022785 has 8 divisors (see below), whose sum is σ = 7814887080. Its totient is φ = 5209311744.

The previous prime is 6512022749. The next prime is 6512022787. The reversal of 6512022785 is 5872202156.

6512022785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21464689 + 6490558096 = 4633^2 + 80564^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6512022785 - 2²⁴ = 6495245569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6512022787) 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 7 ways as a sum of consecutive naturals, for example, 101681 + ... + 152849.

It is an arithmetic number, because the mean of its divisors is an integer number (976860885).

Almost surely, 2^6512022785 is an apocalyptic number.

It is an amenable number.

6512022785 is a deficient number, since it is larger than the sum of its proper divisors (1302864295).

6512022785 is a wasteful number, since it uses less digits than its factorization.

6512022785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76627.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 6512022785 is about 80697.1051835194. The cubic root of 6512022785 is about 1867.4055153218.

The spelling of 6512022785 in words is "six billion, five hundred twelve million, twenty-two thousand, seven hundred eighty-five".