5181249 has 8 divisors (see below), whose sum is σ = 6934912. Its totient is φ = 3440880.

The previous prime is 5181223. The next prime is 5181251. The reversal of 5181249 is 9421815.

It is a happy number.

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

It is not a de Polignac number, because 5181249 - 2⁵ = 5181217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5181269) 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 7 ways as a sum of consecutive naturals, for example, 2374 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (866864).

Almost surely, 2^5181249 is an apocalyptic number.

It is an amenable number.

5181249 is a deficient number, since it is larger than the sum of its proper divisors (1753663).

5181249 is a wasteful number, since it uses less digits than its factorization.

5181249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647.

The product of its digits is 2880, while the sum is 30.

The square root of 5181249 is about 2276.2357083571. The cubic root of 5181249 is about 173.0393286019.

The spelling of 5181249 in words is "five million, one hundred eighty-one thousand, two hundred forty-nine".