5158691 has 4 divisors (see below), whose sum is σ = 5229432. Its totient is φ = 5087952.

The previous prime is 5158669. The next prime is 5158711. The reversal of 5158691 is 1968515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5158691 is a prime.

It is a super-2 number, since 2×5158691² = 53224185666962, 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 (5158591) 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, 35261 + ... + 35406.

It is an arithmetic number, because the mean of its divisors is an integer number (1307358).

Almost surely, 2^5158691 is an apocalyptic number.

5158691 is a deficient number, since it is larger than the sum of its proper divisors (70741).

5158691 is an equidigital number, since it uses as much as digits as its factorization.

5158691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70740.

The product of its digits is 10800, while the sum is 35.

The square root of 5158691 is about 2271.2751924855. The cubic root of 5158691 is about 172.7878384181.

The spelling of 5158691 in words is "five million, one hundred fifty-eight thousand, six hundred ninety-one".