5172582139 has 2 divisors, whose sum is σ = 5172582140. Its totient is φ = 5172582138.

The previous prime is 5172582113. The next prime is 5172582157. The reversal of 5172582139 is 9312852715.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5172582139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5172582095 and 5172582104.

It is not a weakly prime, because it can be changed into another prime (5172582739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586291069 + 2586291070.

It is an arithmetic number, because the mean of its divisors is an integer number (2586291070).

Almost surely, 2^5172582139 is an apocalyptic number.

5172582139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172582139 is an equidigital number, since it uses as much as digits as its factorization.

5172582139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 5172582139 is about 71920.6655906354. The cubic root of 5172582139 is about 1729.4279172498.

The spelling of 5172582139 in words is "five billion, one hundred seventy-two million, five hundred eighty-two thousand, one hundred thirty-nine".