276255449 has 2 divisors, whose sum is σ = 276255450. Its totient is φ = 276255448.

The previous prime is 276255437. The next prime is 276255481. The reversal of 276255449 is 944552672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266995600 + 9259849 = 16340^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 276255449 - 2¹⁶ = 276189913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (276255409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138127724 + 138127725.

It is an arithmetic number, because the mean of its divisors is an integer number (138127725).

Almost surely, 2^276255449 is an apocalyptic number.

It is an amenable number.

276255449 is a deficient number, since it is larger than the sum of its proper divisors (1).

276255449 is an equidigital number, since it uses as much as digits as its factorization.

276255449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 276255449 is about 16620.9340591917. The cubic root of 276255449 is about 651.2838129715.

The spelling of 276255449 in words is "two hundred seventy-six million, two hundred fifty-five thousand, four hundred forty-nine".