265371317 has 2 divisors, whose sum is σ = 265371318. Its totient is φ = 265371316.

The previous prime is 265371313. The next prime is 265371319. The reversal of 265371317 is 713173562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183033841 + 82337476 = 13529^2 + 9074^2 .

It is a cyclic number.

It is not a de Polignac number, because 265371317 - 2² = 265371313 is a prime.

Together with 265371319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265371313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132685658 + 132685659.

It is an arithmetic number, because the mean of its divisors is an integer number (132685659).

Almost surely, 2^265371317 is an apocalyptic number.

It is an amenable number.

265371317 is a deficient number, since it is larger than the sum of its proper divisors (1).

265371317 is an equidigital number, since it uses as much as digits as its factorization.

265371317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 265371317 is about 16290.2215147615. The cubic root of 265371317 is about 642.6156923491.

The spelling of 265371317 in words is "two hundred sixty-five million, three hundred seventy-one thousand, three hundred seventeen".