6113143 has 4 divisors (see below), whose sum is σ = 6181920. Its totient is φ = 6044368.

The previous prime is 6113137. The next prime is 6113161. The reversal of 6113143 is 3413116.

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 6113143 - 2⁵ = 6113111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6113143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113123) 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, 34255 + ... + 34432.

It is an arithmetic number, because the mean of its divisors is an integer number (1545480).

Almost surely, 2^6113143 is an apocalyptic number.

6113143 is a deficient number, since it is larger than the sum of its proper divisors (68777).

6113143 is an equidigital number, since it uses as much as digits as its factorization.

6113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68776.

The product of its digits is 216, while the sum is 19.

The square root of 6113143 is about 2472.4770979728. The cubic root of 6113143 is about 182.8471455948.

Adding to 6113143 its reverse (3413116), we get a palindrome (9526259).

The spelling of 6113143 in words is "six million, one hundred thirteen thousand, one hundred forty-three".