260273689 has 27 divisors (see below), whose sum is σ = 303545943. Its totient is φ = 223022592.

The previous prime is 260273683. The next prime is 260273693. The reversal of 260273689 is 986372062.

The square root of 260273689 is 16133.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 137241225 + 123032464 = 11715^2 + 11092^2 .

It is not a de Polignac number, because 260273689 - 2¹³ = 260265497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260273683) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3565357 + ... + 3565429.

Almost surely, 2^260273689 is an apocalyptic number.

260273689 is the 16133-rd square number.

260273689 is the 8067-th centered octagonal number.

It is an amenable number.

260273689 is a deficient number, since it is larger than the sum of its proper divisors (43272254).

260273689 is an equidigital number, since it uses as much as digits as its factorization.

260273689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The cubic root of 260273689 is about 638.4743027894.

The spelling of 260273689 in words is "two hundred sixty million, two hundred seventy-three thousand, six hundred eighty-nine".