276229 has 2 divisors, whose sum is σ = 276230. Its totient is φ = 276228.

The previous prime is 276209. The next prime is 276239. The reversal of 276229 is 922672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260100 + 16129 = 510^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 276229 - 2¹⁵ = 243461 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 276197 and 276206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138114 + 138115.

It is an arithmetic number, because the mean of its divisors is an integer number (138115).

2²⁷⁶²²⁹ is an apocalyptic number.

It is an amenable number.

276229 is a deficient number, since it is larger than the sum of its proper divisors (1).

276229 is an equidigital number, since it uses as much as digits as its factorization.

276229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 276229 is about 525.5749232983. The cubic root of 276229 is about 65.1263027432.

It can be divided in two parts, 276 and 229, that added together give a palindrome (505).

The spelling of 276229 in words is "two hundred seventy-six thousand, two hundred twenty-nine".