276022249 has 2 divisors, whose sum is σ = 276022250. Its totient is φ = 276022248.

The previous prime is 276022247. The next prime is 276022283. The reversal of 276022249 is 942220672.

It is an a-pointer prime, because the next prime (276022283) can be obtained adding 276022249 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186814224 + 89208025 = 13668^2 + 9445^2 .

It is a cyclic number.

It is not a de Polignac number, because 276022249 - 2¹ = 276022247 is a prime.

Together with 276022247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (276022247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138011124 + 138011125.

It is an arithmetic number, because the mean of its divisors is an integer number (138011125).

Almost surely, 2^276022249 is an apocalyptic number.

It is an amenable number.

276022249 is a deficient number, since it is larger than the sum of its proper divisors (1).

276022249 is an equidigital number, since it uses as much as digits as its factorization.

276022249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 276022249 is about 16613.9173285532. The cubic root of 276022249 is about 651.1005017862.

The spelling of 276022249 in words is "two hundred seventy-six million, twenty-two thousand, two hundred forty-nine".