6481231 has 4 divisors (see below), whose sum is σ = 6514000. Its totient is φ = 6448464.

The previous prime is 6481219. The next prime is 6481243. The reversal of 6481231 is 1321846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321846 = 2 ⋅660923.

It is an interprime number because it is at equal distance from previous prime (6481219) and next prime (6481243).

It is a cyclic number.

It is not a de Polignac number, because 6481231 - 2¹⁹ = 5956943 is a prime.

It is a super-2 number, since 2×6481231² = 84012710550722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6481196 and 6481205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481931) 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 3 ways as a sum of consecutive naturals, for example, 16086 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (1628500).

Almost surely, 2^6481231 is an apocalyptic number.

6481231 is a deficient number, since it is larger than the sum of its proper divisors (32769).

6481231 is a wasteful number, since it uses less digits than its factorization.

6481231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32768.

The product of its digits is 1152, while the sum is 25.

The square root of 6481231 is about 2545.8261920249. The cubic root of 6481231 is about 186.4457551752.

The spelling of 6481231 in words is "six million, four hundred eighty-one thousand, two hundred thirty-one".