6409231 has 4 divisors (see below), whose sum is σ = 6414912. Its totient is φ = 6403552.

The previous prime is 6409223. The next prime is 6409253. The reversal of 6409231 is 1329046.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6409231 - 2³ = 6409223 is a prime.

It is a super-2 number, since 2×6409231² = 82156484022722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6409196 and 6409205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511 + ... + 3616.

It is an arithmetic number, because the mean of its divisors is an integer number (1603728).

Almost surely, 2^6409231 is an apocalyptic number.

6409231 is a deficient number, since it is larger than the sum of its proper divisors (5681).

6409231 is a wasteful number, since it uses less digits than its factorization.

6409231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6409231 is about 2531.6459073101. The cubic root of 6409231 is about 185.7527740179.

The spelling of 6409231 in words is "six million, four hundred nine thousand, two hundred thirty-one".