5181873 has 4 divisors (see below), whose sum is σ = 6909168. Its totient is φ = 3454580.

The previous prime is 5181859. The next prime is 5181881. The reversal of 5181873 is 3781815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5181873 - 2¹⁸ = 4919729 is a prime.

It is a super-3 number, since 3×5181873³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5181893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863643 + ... + 863648.

It is an arithmetic number, because the mean of its divisors is an integer number (1727292).

Almost surely, 2^5181873 is an apocalyptic number.

It is an amenable number.

5181873 is a deficient number, since it is larger than the sum of its proper divisors (1727295).

5181873 is a wasteful number, since it uses less digits than its factorization.

5181873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727294.

The product of its digits is 6720, while the sum is 33.

The square root of 5181873 is about 2276.3727726363. The cubic root of 5181873 is about 173.0462749455.

The spelling of 5181873 in words is "five million, one hundred eighty-one thousand, eight hundred seventy-three".