5189813 has 8 divisors (see below), whose sum is σ = 5326776. Its totient is φ = 5054400.

The previous prime is 5189809. The next prime is 5189839. The reversal of 5189813 is 3189815.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 5121169 = 262^2 + 2263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5189813 - 2² = 5189809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5189893) 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, 9323 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (665847).

Almost surely, 2^5189813 is an apocalyptic number.

5189813 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5189813 is a deficient number, since it is larger than the sum of its proper divisors (136963).

5189813 is a wasteful number, since it uses less digits than its factorization.

5189813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its digits is 8640, while the sum is 35.

The square root of 5189813 is about 2278.1161076644. The cubic root of 5189813 is about 173.1346140621.

The spelling of 5189813 in words is "five million, one hundred eighty-nine thousand, eight hundred thirteen".