275630289 has 16 divisors (see below), whose sum is σ = 405995520. Its totient is φ = 164932560.

The previous prime is 275630287. The next prime is 275630293. The reversal of 275630289 is 982036572.

It is not a de Polignac number, because 275630289 - 2¹ = 275630287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275630289.

It is not an unprimeable number, because it can be changed into a prime (275630287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50257 + ... + 55470.

It is an arithmetic number, because the mean of its divisors is an integer number (25374720).

Almost surely, 2^275630289 is an apocalyptic number.

It is an amenable number.

275630289 is a deficient number, since it is larger than the sum of its proper divisors (130365231).

275630289 is a wasteful number, since it uses less digits than its factorization.

275630289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105820.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 275630289 is about 16602.1170035631. The cubic root of 275630289 is about 650.7921616086.

The spelling of 275630289 in words is "two hundred seventy-five million, six hundred thirty thousand, two hundred eighty-nine".