265080917 has 2 divisors, whose sum is σ = 265080918. Its totient is φ = 265080916.

The previous prime is 265080899. The next prime is 265080971. The reversal of 265080917 is 719080562.

Together with next prime (265080971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265005841 + 75076 = 16279^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 265080917 - 2¹² = 265076821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265080997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132540458 + 132540459.

It is an arithmetic number, because the mean of its divisors is an integer number (132540459).

Almost surely, 2^265080917 is an apocalyptic number.

It is an amenable number.

265080917 is a deficient number, since it is larger than the sum of its proper divisors (1).

265080917 is an equidigital number, since it uses as much as digits as its factorization.

265080917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 265080917 is about 16281.3057523038. The cubic root of 265080917 is about 642.3811986434.

The spelling of 265080917 in words is "two hundred sixty-five million, eighty thousand, nine hundred seventeen".