5171206309 has 4 divisors (see below), whose sum is σ = 5171473440. Its totient is φ = 5170939180.

The previous prime is 5171206301. The next prime is 5171206393. The reversal of 5171206309 is 9036021715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5171206309 - 2³ = 5171206301 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 (5171206301) 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, 102049 + ... + 144070.

It is an arithmetic number, because the mean of its divisors is an integer number (1292868360).

Almost surely, 2^5171206309 is an apocalyptic number.

It is an amenable number.

5171206309 is a deficient number, since it is larger than the sum of its proper divisors (267131).

5171206309 is a wasteful number, since it uses less digits than its factorization.

5171206309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267130.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 5171206309 is about 71911.1000402580. The cubic root of 5171206309 is about 1729.2745696090.

The spelling of 5171206309 in words is "five billion, one hundred seventy-one million, two hundred six thousand, three hundred nine".