5181403 has 4 divisors (see below), whose sum is σ = 5192208. Its totient is φ = 5170600.

The previous prime is 5181391. The next prime is 5181431. The reversal of 5181403 is 3041815.

5181403 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 is a cyclic number.

It is not a de Polignac number, because 5181403 - 2¹³ = 5173211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5181103) 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, 4648 + ... + 5653.

It is an arithmetic number, because the mean of its divisors is an integer number (1298052).

Almost surely, 2^5181403 is an apocalyptic number.

5181403 is a deficient number, since it is larger than the sum of its proper divisors (10805).

5181403 is a wasteful number, since it uses less digits than its factorization.

5181403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 5181403 is about 2276.2695358854. The cubic root of 5181403 is about 173.0410429757.

The spelling of 5181403 in words is "five million, one hundred eighty-one thousand, four hundred three".