276428153 has 2 divisors, whose sum is σ = 276428154. Its totient is φ = 276428152.

The previous prime is 276428129. The next prime is 276428161. The reversal of 276428153 is 351824672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 25775929 = 15832^2 + 5077^2 .

It is a cyclic number.

It is not a de Polignac number, because 276428153 - 2²² = 272233849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (276425153) 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, 138214076 + 138214077.

It is an arithmetic number, because the mean of its divisors is an integer number (138214077).

Almost surely, 2^276428153 is an apocalyptic number.

It is an amenable number.

276428153 is a deficient number, since it is larger than the sum of its proper divisors (1).

276428153 is an equidigital number, since it uses as much as digits as its factorization.

276428153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 276428153 is about 16626.1286233446. The cubic root of 276428153 is about 651.4195036749.

The spelling of 276428153 in words is "two hundred seventy-six million, four hundred twenty-eight thousand, one hundred fifty-three".