6231281 has 16 divisors (see below), whose sum is σ = 7478400. Its totient is φ = 5186160.

The previous prime is 6231241. The next prime is 6231301. The reversal of 6231281 is 1821326.

6231281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6231281 - 2²² = 2036977 is a prime.

It is a super-2 number, since 2×6231281² = 77657725801922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231241) 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 15 ways as a sum of consecutive naturals, for example, 12446 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (467400).

Almost surely, 2^6231281 is an apocalyptic number.

It is an amenable number.

6231281 is a deficient number, since it is larger than the sum of its proper divisors (1247119).

6231281 is an equidigital number, since it uses as much as digits as its factorization.

6231281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 535 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 6231281 is about 2496.2533925866. The cubic root of 6231281 is about 184.0174940046.

The spelling of 6231281 in words is "six million, two hundred thirty-one thousand, two hundred eighty-one".