260790193 has 2 divisors, whose sum is σ = 260790194. Its totient is φ = 260790192.

The previous prime is 260790191. The next prime is 260790221. The reversal of 260790193 is 391097062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245329569 + 15460624 = 15663^2 + 3932^2 .

It is a cyclic number.

It is not a de Polignac number, because 260790193 - 2¹ = 260790191 is a prime.

Together with 260790191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (260790191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130395096 + 130395097.

It is an arithmetic number, because the mean of its divisors is an integer number (130395097).

Almost surely, 2^260790193 is an apocalyptic number.

It is an amenable number.

260790193 is a deficient number, since it is larger than the sum of its proper divisors (1).

260790193 is an equidigital number, since it uses as much as digits as its factorization.

260790193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 260790193 is about 16148.9997523066. Note that the first 3 decimals coincide. The cubic root of 260790193 is about 638.8963670029.

The spelling of 260790193 in words is "two hundred sixty million, seven hundred ninety thousand, one hundred ninety-three".