6481811 has 8 divisors (see below), whose sum is σ = 7843680. Its totient is φ = 5228928.

The previous prime is 6481807. The next prime is 6481823. The reversal of 6481811 is 1181846.

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

It is not a de Polignac number, because 6481811 - 2² = 6481807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6481841) 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 7 ways as a sum of consecutive naturals, for example, 27116 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (980460).

Almost surely, 2^6481811 is an apocalyptic number.

6481811 is a deficient number, since it is larger than the sum of its proper divisors (1361869).

6481811 is a wasteful number, since it uses less digits than its factorization.

6481811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54493.

The product of its digits is 1536, while the sum is 29.

The square root of 6481811 is about 2545.9401014164. The cubic root of 6481811 is about 186.4513166348.

The spelling of 6481811 in words is "six million, four hundred eighty-one thousand, eight hundred eleven".