260560189 has 2 divisors, whose sum is σ = 260560190. Its totient is φ = 260560188.

The previous prime is 260560187. The next prime is 260560199. The reversal of 260560189 is 981065062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214388164 + 46172025 = 14642^2 + 6795^2 .

It is a cyclic number.

It is not a de Polignac number, because 260560189 - 2¹ = 260560187 is a prime.

It is a super-2 number, since 2×260560189² = 135783224183431442, which contains 22 as substring.

Together with 260560187, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260560187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130280094 + 130280095.

It is an arithmetic number, because the mean of its divisors is an integer number (130280095).

Almost surely, 2^260560189 is an apocalyptic number.

It is an amenable number.

260560189 is a deficient number, since it is larger than the sum of its proper divisors (1).

260560189 is an equidigital number, since it uses as much as digits as its factorization.

260560189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 260560189 is about 16141.8768735237. The cubic root of 260560189 is about 638.7084868018.

The spelling of 260560189 in words is "two hundred sixty million, five hundred sixty thousand, one hundred eighty-nine".