5109881 has 8 divisors (see below), whose sum is σ = 5854464. Its totient is φ = 4368960.

The previous prime is 5109859. The next prime is 5109883. The reversal of 5109881 is 1889015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5109881 is a prime.

It is a super-2 number, since 2×5109881² = 52221767668322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5109883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 2^5109881 is an apocalyptic number.

It is an amenable number.

5109881 is a deficient number, since it is larger than the sum of its proper divisors (744583).

5109881 is a wasteful number, since it uses less digits than its factorization.

5109881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5109881 is about 2260.5045896879. The cubic root of 5109881 is about 172.2411548770.

The spelling of 5109881 in words is "five million, one hundred nine thousand, eight hundred eighty-one".