6320247 has 4 divisors (see below), whose sum is σ = 8427000. Its totient is φ = 4213496.

The previous prime is 6320233. The next prime is 6320261. The reversal of 6320247 is 7420236.

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

It is an interprime number because it is at equal distance from previous prime (6320233) and next prime (6320261).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6320247 is a prime.

It is a D-number.

6320247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6320227) 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, 1053372 + ... + 1053377.

It is an arithmetic number, because the mean of its divisors is an integer number (2106750).

Almost surely, 2^6320247 is an apocalyptic number.

6320247 is a deficient number, since it is larger than the sum of its proper divisors (2106753).

6320247 is a wasteful number, since it uses less digits than its factorization.

6320247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106752.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 6320247 is about 2514.0101431776. The cubic root of 6320247 is about 184.8891178741.

The spelling of 6320247 in words is "six million, three hundred twenty thousand, two hundred forty-seven".