260002217 has 2 divisors, whose sum is σ = 260002218. Its totient is φ = 260002216.

The previous prime is 260002201. The next prime is 260002229. The reversal of 260002217 is 712200062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245110336 + 14891881 = 15656^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 260002217 - 2⁴ = 260002201 is a prime.

It is not a weakly prime, because it can be changed into another prime (260002247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130001108 + 130001109.

It is an arithmetic number, because the mean of its divisors is an integer number (130001109).

Almost surely, 2^260002217 is an apocalyptic number.

It is an amenable number.

260002217 is a deficient number, since it is larger than the sum of its proper divisors (1).

260002217 is an equidigital number, since it uses as much as digits as its factorization.

260002217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 260002217 is about 16124.5842427022. The cubic root of 260002217 is about 638.2522439849.

Adding to 260002217 its reverse (712200062), we get a palindrome (972202279).

The spelling of 260002217 in words is "two hundred sixty million, two thousand, two hundred seventeen".