6531343 has 12 divisors (see below), whose sum is σ = 8084208. Its totient is φ = 5166720.

The previous prime is 6531323. The next prime is 6531373. The reversal of 6531343 is 3431356.

It is not a de Polignac number, because 6531343 - 2⁹ = 6530831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (673684).

Almost surely, 2^6531343 is an apocalyptic number.

6531343 is a deficient number, since it is larger than the sum of its proper divisors (1552865).

6531343 is a wasteful number, since it uses less digits than its factorization.

6531343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554 (or 5541 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 6531343 is about 2555.6492325826. The cubic root of 6531343 is about 186.9250464574.

Adding to 6531343 its reverse (3431356), we get a palindrome (9962699).

It can be divided in two parts, 65313 and 43, that added together give a palindrome (65356).

The spelling of 6531343 in words is "six million, five hundred thirty-one thousand, three hundred forty-three".