5213831 has 4 divisors (see below), whose sum is σ = 5958672. Its totient is φ = 4468992.

The previous prime is 5213827. The next prime is 5213833. The reversal of 5213831 is 1383125.

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 5213831 - 2² = 5213827 is a prime.

It is a super-2 number, since 2×5213831² = 54368067393122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5213797 and 5213806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372410 + ... + 372423.

It is an arithmetic number, because the mean of its divisors is an integer number (1489668).

Almost surely, 2^5213831 is an apocalyptic number.

5213831 is a deficient number, since it is larger than the sum of its proper divisors (744841).

5213831 is an equidigital number, since it uses as much as digits as its factorization.

5213831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744840.

The product of its digits is 720, while the sum is 23.

The square root of 5213831 is about 2283.3814836772. The cubic root of 5213831 is about 173.4012870475.

Adding to 5213831 its reverse (1383125), we get a palindrome (6596956).

The spelling of 5213831 in words is "five million, two hundred thirteen thousand, eight hundred thirty-one".