276021049 has 2 divisors, whose sum is σ = 276021050. Its totient is φ = 276021048.

The previous prime is 276021019. The next prime is 276021071. The reversal of 276021049 is 940120672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253287225 + 22733824 = 15915^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 276021049 - 2⁵ = 276021017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276021049.

It is not a weakly prime, because it can be changed into another prime (276021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138010524 + 138010525.

It is an arithmetic number, because the mean of its divisors is an integer number (138010525).

Almost surely, 2^276021049 is an apocalyptic number.

It is an amenable number.

276021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

276021049 is an equidigital number, since it uses as much as digits as its factorization.

276021049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 276021049 is about 16613.8812142136. The cubic root of 276021049 is about 651.0995582370.

The spelling of 276021049 in words is "two hundred seventy-six million, twenty-one thousand, forty-nine".