5158729 has 4 divisors (see below), whose sum is σ = 5163984. Its totient is φ = 5153476.

The previous prime is 5158721. The next prime is 5158733. The reversal of 5158729 is 9278515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5158729 - 2³ = 5158721 is a prime.

It is a super-2 number, since 2×5158729² = 53224969790882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5158721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (1290996).

Almost surely, 2^5158729 is an apocalyptic number.

It is an amenable number.

5158729 is a deficient number, since it is larger than the sum of its proper divisors (5255).

5158729 is a wasteful number, since it uses less digits than its factorization.

5158729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its digits is 25200, while the sum is 37.

The square root of 5158729 is about 2271.2835578148. The cubic root of 5158729 is about 172.7882626808.

The spelling of 5158729 in words is "five million, one hundred fifty-eight thousand, seven hundred twenty-nine".