5147262817 has 4 divisors (see below), whose sum is σ = 5168620996. Its totient is φ = 5125904640.

The previous prime is 5147262803. The next prime is 5147262821. The reversal of 5147262817 is 7182627415.

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 3525509376 + 1621753441 = 59376^2 + 40271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5147262817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147262217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10678728 + ... + 10679209.

It is an arithmetic number, because the mean of its divisors is an integer number (1292155249).

Almost surely, 2^5147262817 is an apocalyptic number.

It is an amenable number.

5147262817 is a deficient number, since it is larger than the sum of its proper divisors (21358179).

5147262817 is a wasteful number, since it uses less digits than its factorization.

5147262817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21358178.

The product of its digits is 188160, while the sum is 43.

The square root of 5147262817 is about 71744.4270797391. The cubic root of 5147262817 is about 1726.6015027650.

The spelling of 5147262817 in words is "five billion, one hundred forty-seven million, two hundred sixty-two thousand, eight hundred seventeen".