5172507239 has 2 divisors, whose sum is σ = 5172507240. Its totient is φ = 5172507238.

The previous prime is 5172507187. The next prime is 5172507247. The reversal of 5172507239 is 9327052715.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5172507239 is a prime.

It is a super-2 number, since 2×5172507239² = 53509662275014806242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5172507196 and 5172507205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5172507259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586253619 + 2586253620.

It is an arithmetic number, because the mean of its divisors is an integer number (2586253620).

Almost surely, 2^5172507239 is an apocalyptic number.

5172507239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172507239 is an equidigital number, since it uses as much as digits as its factorization.

5172507239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 5172507239 is about 71920.1448761055. The cubic root of 5172507239 is about 1729.4195697248.

The spelling of 5172507239 in words is "five billion, one hundred seventy-two million, five hundred seven thousand, two hundred thirty-nine".