265302213906217 has 2 divisors, whose sum is σ = 265302213906218. Its totient is φ = 265302213906216.

The previous prime is 265302213906209. The next prime is 265302213906221. The reversal of 265302213906217 is 712609312203562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258308669696256 + 6993544209961 = 16071984^2 + 2644531^2 .

It is a cyclic number.

It is not a de Polignac number, because 265302213906217 - 2³ = 265302213906209 is a prime.

It is not a weakly prime, because it can be changed into another prime (265302213906817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132651106953108 + 132651106953109.

It is an arithmetic number, because the mean of its divisors is an integer number (132651106953109).

Almost surely, 2^{265302213906217} is an apocalyptic number.

It is an amenable number.

265302213906217 is a deficient number, since it is larger than the sum of its proper divisors (1).

265302213906217 is an equidigital number, since it uses as much as digits as its factorization.

265302213906217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 265302213906217 in words is "two hundred sixty-five trillion, three hundred two billion, two hundred thirteen million, nine hundred six thousand, two hundred seventeen".