5247719317 has 4 divisors (see below), whose sum is σ = 5299677036. Its totient is φ = 5195761600.

The previous prime is 5247719299. The next prime is 5247719327. The reversal of 5247719317 is 7139177425.

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 4644967716 + 602751601 = 68154^2 + 24551^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247719317 - 2¹¹ = 5247717269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247719327) 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, 25978708 + ... + 25978909.

It is an arithmetic number, because the mean of its divisors is an integer number (1324919259).

Almost surely, 2^5247719317 is an apocalyptic number.

It is an amenable number.

5247719317 is a deficient number, since it is larger than the sum of its proper divisors (51957719).

5247719317 is a wasteful number, since it uses less digits than its factorization.

5247719317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51957718.

The product of its digits is 370440, while the sum is 46.

The square root of 5247719317 is about 72441.1438134435. The cubic root of 5247719317 is about 1737.7616125026.

The spelling of 5247719317 in words is "five billion, two hundred forty-seven million, seven hundred nineteen thousand, three hundred seventeen".