5138882597 has 16 divisors (see below), whose sum is σ = 5332413168. Its totient is φ = 4949268480.

The previous prime is 5138882591. The next prime is 5138882599. The reversal of 5138882597 is 7952888315.

It is a happy number.

It is a Cunningham number, because it is equal to 71686²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1178823556 + 3960059041 = 34334^2 + 62929^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138882597 - 2⁶ = 5138882533 is a prime.

It is a super-2 number, since 2×5138882597² = 52816228691498928818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138882591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980533 + ... + 1983125.

It is an arithmetic number, because the mean of its divisors is an integer number (333275823).

Almost surely, 2^5138882597 is an apocalyptic number.

It is an amenable number.

5138882597 is a deficient number, since it is larger than the sum of its proper divisors (193530571).

5138882597 is a wasteful number, since it uses less digits than its factorization.

5138882597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its digits is 4838400, while the sum is 56.

The square root of 5138882597 is about 71686.0000069749. Note that the first 5 decimals coincide. The cubic root of 5138882597 is about 1725.6639714644.

The spelling of 5138882597 in words is "five billion, one hundred thirty-eight million, eight hundred eighty-two thousand, five hundred ninety-seven".