5109943 has 4 divisors (see below), whose sum is σ = 5123088. Its totient is φ = 5096800.

The previous prime is 5109919. The next prime is 5109961. The reversal of 5109943 is 3499015.

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

It is a cyclic number.

It is not a de Polignac number, because 5109943 - 2⁹ = 5109431 is a prime.

It is a super-2 number, since 2×5109943² = 52223034926498, which contains 22 as substring.

It is a Duffinian number.

5109943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109443) 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, 5971 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (1280772).

Almost surely, 2^5109943 is an apocalyptic number.

5109943 is a deficient number, since it is larger than the sum of its proper divisors (13145).

5109943 is a wasteful number, since it uses less digits than its factorization.

5109943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5109943 is about 2260.5183033986. The cubic root of 5109943 is about 172.2418514952.

The spelling of 5109943 in words is "five million, one hundred nine thousand, nine hundred forty-three".