265135604317 has 2 divisors, whose sum is σ = 265135604318. Its totient is φ = 265135604316.

The previous prime is 265135604303. The next prime is 265135604359. The reversal of 265135604317 is 713406531562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244405651876 + 20729952441 = 494374^2 + 143979^2 .

It is a cyclic number.

It is not a de Polignac number, because 265135604317 - 2²⁷ = 265001386589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265135604117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132567802158 + 132567802159.

It is an arithmetic number, because the mean of its divisors is an integer number (132567802159).

Almost surely, 2^265135604317 is an apocalyptic number.

It is an amenable number.

265135604317 is a deficient number, since it is larger than the sum of its proper divisors (1).

265135604317 is an equidigital number, since it uses as much as digits as its factorization.

265135604317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 265135604317 in words is "two hundred sixty-five billion, one hundred thirty-five million, six hundred four thousand, three hundred seventeen".