5171582817 has 6 divisors (see below), whose sum is σ = 7470064082. Its totient is φ = 3447721872.

The previous prime is 5171582813. The next prime is 5171582827. The reversal of 5171582817 is 7182851715.

5171582817 is a `hidden beast` number, since 51 + 7 + 1 + 582 + 8 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3318796881 + 1852785936 = 57609^2 + 43044^2 .

It is not a de Polignac number, because 5171582817 - 2² = 5171582813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171582813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287310148 + ... + 287310165.

Almost surely, 2^5171582817 is an apocalyptic number.

It is an amenable number.

5171582817 is a deficient number, since it is larger than the sum of its proper divisors (2298481265).

5171582817 is a wasteful number, since it uses less digits than its factorization.

5171582817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574620319 (or 574620316 counting only the distinct ones).

The product of its digits is 156800, while the sum is 45.

The square root of 5171582817 is about 71913.7178638401. The cubic root of 5171582817 is about 1729.3165372448.

The spelling of 5171582817 in words is "five billion, one hundred seventy-one million, five hundred eighty-two thousand, eight hundred seventeen".