6321047 has 4 divisors (see below), whose sum is σ = 6392160. Its totient is φ = 6249936.

The previous prime is 6321041. The next prime is 6321071. The reversal of 6321047 is 7401236.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6321047 - 2¹⁰ = 6320023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6321041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35423 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (1598040).

Almost surely, 2^6321047 is an apocalyptic number.

6321047 is a deficient number, since it is larger than the sum of its proper divisors (71113).

6321047 is an equidigital number, since it uses as much as digits as its factorization.

6321047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71112.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6321047 is about 2514.1692464908. The cubic root of 6321047 is about 184.8969184687.

The spelling of 6321047 in words is "six million, three hundred twenty-one thousand, forty-seven".