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BaseRepresentation
bin10100000000111
3112001112
42200013
5311442
6115235
741606
oct24007
915045
1010247
117776
125b1b
134883
143a3d
153082
hex2807

10247 has 2 divisors, whose sum is σ = 10248. Its totient is φ = 10246.

The previous prime is 10243. The next prime is 10253. The reversal of 10247 is 74201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10247 - 22 = 10243 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p1256 and since 10247 and 1256 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5123 + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (5124).

210247 is an apocalyptic number.

10247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10247 is an equidigital number, since it uses as much as digits as its factorization.

10247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 10247 is about 101.2274666284. The cubic root of 10247 is about 21.7202879628.

Adding to 10247 its reverse (74201), we get a palindrome (84448).

The spelling of 10247 in words is "ten thousand, two hundred forty-seven", and thus it is an iban number.