6751242517 has 4 divisors (see below), whose sum is σ = 6810988140. Its totient is φ = 6691496896.

The previous prime is 6751242503. The next prime is 6751242523. The reversal of 6751242517 is 7152421576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151142436 + 6600100081 = 12294^2 + 81241^2 .

It is a cyclic number.

It is not a de Polignac number, because 6751242517 - 2¹¹ = 6751240469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6751242517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6751242557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29872642 + ... + 29872867.

It is an arithmetic number, because the mean of its divisors is an integer number (1702747035).

Almost surely, 2^6751242517 is an apocalyptic number.

It is an amenable number.

6751242517 is a deficient number, since it is larger than the sum of its proper divisors (59745623).

6751242517 is a wasteful number, since it uses less digits than its factorization.

6751242517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59745622.

The product of its digits is 117600, while the sum is 40.

The square root of 6751242517 is about 82165.9449954785. The cubic root of 6751242517 is about 1889.9975287147.

The spelling of 6751242517 in words is "six billion, seven hundred fifty-one million, two hundred forty-two thousand, five hundred seventeen".