6243431 has 4 divisors (see below), whose sum is σ = 6444864. Its totient is φ = 6042000.

The previous prime is 6243409. The next prime is 6243443. The reversal of 6243431 is 1343426.

It is a happy number.

6243431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6243431 - 2²² = 2049127 is a prime.

It is a super-2 number, since 2×6243431² = 77960861303522, 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 = 6243397 and 6243406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243451) 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, 100670 + ... + 100731.

It is an arithmetic number, because the mean of its divisors is an integer number (1611216).

Almost surely, 2^6243431 is an apocalyptic number.

6243431 is a deficient number, since it is larger than the sum of its proper divisors (201433).

6243431 is a wasteful number, since it uses less digits than its factorization.

6243431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201432.

The product of its digits is 1728, while the sum is 23.

The square root of 6243431 is about 2498.6858546044. The cubic root of 6243431 is about 184.1370179016.

Adding to 6243431 its reverse (1343426), we get a palindrome (7586857).

The spelling of 6243431 in words is "six million, two hundred forty-three thousand, four hundred thirty-one".