275470289 has 2 divisors, whose sum is σ = 275470290. Its totient is φ = 275470288.

The previous prime is 275470231. The next prime is 275470297. The reversal of 275470289 is 982074572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257763025 + 17707264 = 16055^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 275470289 - 2⁸ = 275470033 is a prime.

It is not a weakly prime, because it can be changed into another prime (275470589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137735144 + 137735145.

It is an arithmetic number, because the mean of its divisors is an integer number (137735145).

Almost surely, 2^275470289 is an apocalyptic number.

It is an amenable number.

275470289 is a deficient number, since it is larger than the sum of its proper divisors (1).

275470289 is an equidigital number, since it uses as much as digits as its factorization.

275470289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 275470289 is about 16597.2976414837. The cubic root of 275470289 is about 650.6662116137. Note that the first 3 decimals are identical.

The spelling of 275470289 in words is "two hundred seventy-five million, four hundred seventy thousand, two hundred eighty-nine".