6247 has 2 divisors, whose sum is σ = 6248. Its totient is φ = 6246.
The previous prime is 6229. The next prime is 6257. The reversal of 6247 is 7426.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6247 is a prime.
It is a Chen prime.
It is a d-powerful number, because it can be written as 64 + 46 + 29 + 73 .
It is a nialpdrome in base 9.
It is a zygodrome in base 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123 + 3124.
It is an arithmetic number, because the mean of its divisors is an integer number (3124).
6247 is a deficient number, since it is larger than the sum of its proper divisors (1).
6247 is an equidigital number, since it uses as much as digits as its factorization.
6247 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 336, while the sum is 19.
The square root of 6247 is about 79.0379655609. The cubic root of 6247 is about 18.4172097963.
It can be divided in two parts, 6 and 247, that added together give a triangular number (253 = T22).
The spelling of 6247 in words is "six thousand, two hundred forty-seven".
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