5187138337 has 2 divisors, whose sum is σ = 5187138338. Its totient is φ = 5187138336.

The previous prime is 5187138323. The next prime is 5187138349. The reversal of 5187138337 is 7338317815.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3170140416 + 2016997921 = 56304^2 + 44911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5187138337 is a prime.

It is not a weakly prime, because it can be changed into another prime (5187136337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593569168 + 2593569169.

It is an arithmetic number, because the mean of its divisors is an integer number (2593569169).

Almost surely, 2^5187138337 is an apocalyptic number.

It is an amenable number.

5187138337 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187138337 is an equidigital number, since it uses as much as digits as its factorization.

5187138337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 5187138337 is about 72021.7907094790. The cubic root of 5187138337 is about 1731.0486627727.

The spelling of 5187138337 in words is "five billion, one hundred eighty-seven million, one hundred thirty-eight thousand, three hundred thirty-seven".