275555089 has 2 divisors, whose sum is σ = 275555090. Its totient is φ = 275555088.

The previous prime is 275555069. The next prime is 275555107. The reversal of 275555089 is 980555572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274730625 + 824464 = 16575^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 275555089 - 2¹⁵ = 275522321 is a prime.

It is not a weakly prime, because it can be changed into another prime (275555009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137777544 + 137777545.

It is an arithmetic number, because the mean of its divisors is an integer number (137777545).

Almost surely, 2^275555089 is an apocalyptic number.

It is an amenable number.

275555089 is a deficient number, since it is larger than the sum of its proper divisors (1).

275555089 is an equidigital number, since it uses as much as digits as its factorization.

275555089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 46.

The square root of 275555089 is about 16599.8520776542. The cubic root of 275555089 is about 650.7329711835.

The spelling of 275555089 in words is "two hundred seventy-five million, five hundred fifty-five thousand, eighty-nine".