5158823 has 4 divisors (see below), whose sum is σ = 5430360. Its totient is φ = 4887288.

The previous prime is 5158817. The next prime is 5158841. The reversal of 5158823 is 3288515.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3288515 = 5 ⋅657703.

It is a cyclic number.

It is not a de Polignac number, because 5158823 - 2⁶ = 5158759 is a prime.

It is a super-2 number, since 2×5158823² = 53226909490658, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5158823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135740 + ... + 135777.

It is an arithmetic number, because the mean of its divisors is an integer number (1357590).

Almost surely, 2^5158823 is an apocalyptic number.

5158823 is a deficient number, since it is larger than the sum of its proper divisors (271537).

5158823 is a wasteful number, since it uses less digits than its factorization.

5158823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271536.

The product of its digits is 9600, while the sum is 32.

The square root of 5158823 is about 2271.3042508656. The cubic root of 5158823 is about 172.7893121640.

The spelling of 5158823 in words is "five million, one hundred fifty-eight thousand, eight hundred twenty-three".