275206889 has 4 divisors (see below), whose sum is σ = 277779024. Its totient is φ = 272634756.

The previous prime is 275206859. The next prime is 275206901. The reversal of 275206889 is 988602572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275206889 - 2¹⁶ = 275141353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275206819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285907 + ... + 1286120.

It is an arithmetic number, because the mean of its divisors is an integer number (69444756).

Almost surely, 2^275206889 is an apocalyptic number.

It is an amenable number.

275206889 is a deficient number, since it is larger than the sum of its proper divisors (2572135).

275206889 is a wasteful number, since it uses less digits than its factorization.

275206889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572134.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 275206889 is about 16589.3607170379. The cubic root of 275206889 is about 650.4587601615.

The spelling of 275206889 in words is "two hundred seventy-five million, two hundred six thousand, eight hundred eighty-nine".