5119981 has 4 divisors (see below), whose sum is σ = 5126364. Its totient is φ = 5113600.

The previous prime is 5119973. The next prime is 5119997. The reversal of 5119981 is 1899115.

5119981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3455881 + 1664100 = 1859^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 5119981 - 2³ = 5119973 is a prime.

It is a super-2 number, since 2×5119981² = 52428410880722, 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 (5119901) 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, 1780 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (1281591).

Almost surely, 2^5119981 is an apocalyptic number.

It is an amenable number.

5119981 is a deficient number, since it is larger than the sum of its proper divisors (6383).

5119981 is an equidigital number, since it uses as much as digits as its factorization.

5119981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its digits is 3240, while the sum is 34.

The square root of 5119981 is about 2262.7375013465. The cubic root of 5119981 is about 172.3545620030.

The spelling of 5119981 in words is "five million, one hundred nineteen thousand, nine hundred eighty-one".