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8269 is a prime number
BaseRepresentation
bin10000001001101
3102100021
42001031
5231034
6102141
733052
oct20115
912307
108269
116238
124951
1339c1
143029
1526b4
hex204d

8269 has 2 divisors, whose sum is σ = 8270. Its totient is φ = 8268.

The previous prime is 8263. The next prime is 8273. The reversal of 8269 is 9628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8100 + 169 = 90^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 8269 - 25 = 8237 is a prime.

It is a super-2 number, since 2×82692 = 136752722, which contains 22 as substring.

8269 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8263) 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, 4134 + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (4135).

28269 is an apocalyptic number.

8269 is the 53-rd hex number.

It is an amenable number.

8269 is a deficient number, since it is larger than the sum of its proper divisors (1).

8269 is an equidigital number, since it uses as much as digits as its factorization.

8269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 8269 is about 90.9340420305. The cubic root of 8269 is about 20.2217000406.

It can be divided in two parts, 82 and 69, that added together give a palindrome (151).

The spelling of 8269 in words is "eight thousand, two hundred sixty-nine".