5187813 has 8 divisors (see below), whose sum is σ = 7064448. Its totient is φ = 3384864.

The previous prime is 5187803. The next prime is 5187827. The reversal of 5187813 is 3187815.

5187813 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5187813 - 2⁴ = 5187797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187803) 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, 18256 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (883056).

Almost surely, 2^5187813 is an apocalyptic number.

It is an amenable number.

5187813 is a deficient number, since it is larger than the sum of its proper divisors (1876635).

5187813 is a wasteful number, since it uses less digits than its factorization.

5187813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36843.

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

The square root of 5187813 is about 2277.6771061764. The cubic root of 5187813 is about 173.1123708895.

The spelling of 5187813 in words is "five million, one hundred eighty-seven thousand, eight hundred thirteen".