6413143 has 4 divisors (see below), whose sum is σ = 6996168. Its totient is φ = 5830120.

The previous prime is 6413129. The next prime is 6413153. The reversal of 6413143 is 3413146.

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 6413143 - 2⁵ = 6413111 is a prime.

It is a super-2 number, since 2×6413143² = 82256806276898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413153) 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, 291496 + ... + 291517.

It is an arithmetic number, because the mean of its divisors is an integer number (1749042).

Almost surely, 2^6413143 is an apocalyptic number.

6413143 is a deficient number, since it is larger than the sum of its proper divisors (583025).

6413143 is a wasteful number, since it uses less digits than its factorization.

6413143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583024.

The product of its digits is 864, while the sum is 22.

The square root of 6413143 is about 2532.4184093471. The cubic root of 6413143 is about 185.7905589491.

Adding to 6413143 its reverse (3413146), we get a palindrome (9826289).

It can be divided in two parts, 6413 and 143, that added together give a palindrome (6556).

The spelling of 6413143 in words is "six million, four hundred thirteen thousand, one hundred forty-three".