265066313 has 2 divisors, whose sum is σ = 265066314. Its totient is φ = 265066312.

The previous prime is 265066301. The next prime is 265066327. The reversal of 265066313 is 313660562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264160009 + 906304 = 16253^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 265066313 - 2¹⁴ = 265049929 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265066313.

It is not a weakly prime, because it can be changed into another prime (265066343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132533156 + 132533157.

It is an arithmetic number, because the mean of its divisors is an integer number (132533157).

Almost surely, 2^265066313 is an apocalyptic number.

It is an amenable number.

265066313 is a deficient number, since it is larger than the sum of its proper divisors (1).

265066313 is an equidigital number, since it uses as much as digits as its factorization.

265066313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 265066313 is about 16280.8572562995. The cubic root of 265066313 is about 642.3694016074.

The spelling of 265066313 in words is "two hundred sixty-five million, sixty-six thousand, three hundred thirteen".