260708813 has 2 divisors, whose sum is σ = 260708814. Its totient is φ = 260708812.

The previous prime is 260708809. The next prime is 260708879. The reversal of 260708813 is 318807062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152819044 + 107889769 = 12362^2 + 10387^2 .

It is a cyclic number.

It is not a de Polignac number, because 260708813 - 2² = 260708809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260708803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130354406 + 130354407.

It is an arithmetic number, because the mean of its divisors is an integer number (130354407).

Almost surely, 2^260708813 is an apocalyptic number.

It is an amenable number.

260708813 is a deficient number, since it is larger than the sum of its proper divisors (1).

260708813 is an equidigital number, since it uses as much as digits as its factorization.

260708813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 260708813 is about 16146.4798950112. The cubic root of 260708813 is about 638.8299038754.

The spelling of 260708813 in words is "two hundred sixty million, seven hundred eight thousand, eight hundred thirteen".