5231613 has 4 divisors (see below), whose sum is σ = 6975488. Its totient is φ = 3487740.

The previous prime is 5231599. The next prime is 5231623. The reversal of 5231613 is 3161325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5231613 - 2⁵ = 5231581 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5231613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871933 + ... + 871938.

It is an arithmetic number, because the mean of its divisors is an integer number (1743872).

Almost surely, 2^5231613 is an apocalyptic number.

It is an amenable number.

5231613 is a deficient number, since it is larger than the sum of its proper divisors (1743875).

5231613 is a wasteful number, since it uses less digits than its factorization.

5231613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743874.

The product of its digits is 540, while the sum is 21.

The square root of 5231613 is about 2287.2719558461. The cubic root of 5231613 is about 173.5981942693.

Adding to 5231613 its reverse (3161325), we get a palindrome (8392938).

The spelling of 5231613 in words is "five million, two hundred thirty-one thousand, six hundred thirteen".