6531238 has 8 divisors (see below), whose sum is σ = 11196432. Its totient is φ = 2799096.

The previous prime is 6531233. The next prime is 6531251. The reversal of 6531238 is 8321356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531233) 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, 233245 + ... + 233272.

It is an arithmetic number, because the mean of its divisors is an integer number (1399554).

Almost surely, 2^6531238 is an apocalyptic number.

6531238 is a deficient number, since it is larger than the sum of its proper divisors (4665194).

6531238 is a wasteful number, since it uses less digits than its factorization.

6531238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466526.

The product of its digits is 4320, while the sum is 28.

The square root of 6531238 is about 2555.6286897748. The cubic root of 6531238 is about 186.9240447627.

It can be divided in two parts, 653 and 1238, that added together give a triangular number (1891 = T₆₁).

The spelling of 6531238 in words is "six million, five hundred thirty-one thousand, two hundred thirty-eight".