260522917 has 2 divisors, whose sum is σ = 260522918. Its totient is φ = 260522916.

The previous prime is 260522903. The next prime is 260522923. The reversal of 260522917 is 719225062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256832676 + 3690241 = 16026^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 260522917 - 2¹⁵ = 260490149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260522987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130261458 + 130261459.

It is an arithmetic number, because the mean of its divisors is an integer number (130261459).

Almost surely, 2^260522917 is an apocalyptic number.

It is an amenable number.

260522917 is a deficient number, since it is larger than the sum of its proper divisors (1).

260522917 is an equidigital number, since it uses as much as digits as its factorization.

260522917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 260522917 is about 16140.7223196485. The cubic root of 260522917 is about 638.6780305273.

Adding to 260522917 its reverse (719225062), we get a palindrome (979747979).

The spelling of 260522917 in words is "two hundred sixty million, five hundred twenty-two thousand, nine hundred seventeen".