260322913 has 2 divisors, whose sum is σ = 260322914. Its totient is φ = 260322912.

The previous prime is 260322889. The next prime is 260322917. The reversal of 260322913 is 319223062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243578449 + 16744464 = 15607^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 260322913 - 2²⁵ = 226768481 is a prime.

It is not a weakly prime, because it can be changed into another prime (260322917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130161456 + 130161457.

It is an arithmetic number, because the mean of its divisors is an integer number (130161457).

Almost surely, 2^260322913 is an apocalyptic number.

It is an amenable number.

260322913 is a deficient number, since it is larger than the sum of its proper divisors (1).

260322913 is an equidigital number, since it uses as much as digits as its factorization.

260322913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 260322913 is about 16134.5254965865. The cubic root of 260322913 is about 638.5145505227.

Adding to 260322913 its reverse (319223062), we get a palindrome (579545975).

The spelling of 260322913 in words is "two hundred sixty million, three hundred twenty-two thousand, nine hundred thirteen".