260803117 has 2 divisors, whose sum is σ = 260803118. Its totient is φ = 260803116.

The previous prime is 260803087. The next prime is 260803129. The reversal of 260803117 is 711308062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187854436 + 72948681 = 13706^2 + 8541^2 .

It is a cyclic number.

It is not a de Polignac number, because 260803117 - 2⁷ = 260802989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260803157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130401558 + 130401559.

It is an arithmetic number, because the mean of its divisors is an integer number (130401559).

Almost surely, 2^260803117 is an apocalyptic number.

It is an amenable number.

260803117 is a deficient number, since it is larger than the sum of its proper divisors (1).

260803117 is an equidigital number, since it uses as much as digits as its factorization.

260803117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 260803117 is about 16149.3998959714. The cubic root of 260803117 is about 638.9069207743.

The spelling of 260803117 in words is "two hundred sixty million, eight hundred three thousand, one hundred seventeen".