6530431 has 4 divisors (see below), whose sum is σ = 6914592. Its totient is φ = 6146272.

The previous prime is 6530417. The next prime is 6530437. The reversal of 6530431 is 1340356.

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 6530431 - 2⁵ = 6530399 is a prime.

It is a super-2 number, since 2×6530431² = 85293058091522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530437) 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, 192055 + ... + 192088.

It is an arithmetic number, because the mean of its divisors is an integer number (1728648).

Almost surely, 2^6530431 is an apocalyptic number.

6530431 is a deficient number, since it is larger than the sum of its proper divisors (384161).

6530431 is a wasteful number, since it uses less digits than its factorization.

6530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384160.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 6530431 is about 2555.4707981114. The cubic root of 6530431 is about 186.9163456650.

Adding to 6530431 its reverse (1340356), we get a palindrome (7870787).

The spelling of 6530431 in words is "six million, five hundred thirty thousand, four hundred thirty-one".