5158008281 has 4 divisors (see below), whose sum is σ = 5169496500. Its totient is φ = 5146520064.

The previous prime is 5158008277. The next prime is 5158008341. The reversal of 5158008281 is 1828008515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1828008515 = 5 ⋅365601703.

It can be written as a sum of positive squares in 2 ways, for example, as 2033198281 + 3124810000 = 45091^2 + 55900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5158008281 - 2² = 5158008277 is a prime.

It is a super-2 number, since 2×5158008281² = 53210098853729149922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5158008211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743436 + ... + 5744333.

It is an arithmetic number, because the mean of its divisors is an integer number (1292374125).

Almost surely, 2^5158008281 is an apocalyptic number.

It is an amenable number.

5158008281 is a deficient number, since it is larger than the sum of its proper divisors (11488219).

5158008281 is a wasteful number, since it uses less digits than its factorization.

5158008281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488218.

The product of its (nonzero) digits is 25600, while the sum is 38.

The square root of 5158008281 is about 71819.2751355790. The cubic root of 5158008281 is about 1727.8021563517.

The spelling of 5158008281 in words is "five billion, one hundred fifty-eight million, eight thousand, two hundred eighty-one".