260700217 has 2 divisors, whose sum is σ = 260700218. Its totient is φ = 260700216.

The previous prime is 260700203. The next prime is 260700221. The reversal of 260700217 is 712007062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190743721 + 69956496 = 13811^2 + 8364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260700217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260700191 and 260700200.

It is not a weakly prime, because it can be changed into another prime (260700247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130350108 + 130350109.

It is an arithmetic number, because the mean of its divisors is an integer number (130350109).

Almost surely, 2^260700217 is an apocalyptic number.

It is an amenable number.

260700217 is a deficient number, since it is larger than the sum of its proper divisors (1).

260700217 is an equidigital number, since it uses as much as digits as its factorization.

260700217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 260700217 is about 16146.2137047668. The cubic root of 260700217 is about 638.8228827060.

Adding to 260700217 its reverse (712007062), we get a palindrome (972707279).

The spelling of 260700217 in words is "two hundred sixty million, seven hundred thousand, two hundred seventeen".