265186241 has 2 divisors, whose sum is σ = 265186242. Its totient is φ = 265186240.

The previous prime is 265186219. The next prime is 265186301. The reversal of 265186241 is 142681562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146289025 + 118897216 = 12095^2 + 10904^2 .

It is a cyclic number.

It is not a de Polignac number, because 265186241 - 2¹⁴ = 265169857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (265182241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132593120 + 132593121.

It is an arithmetic number, because the mean of its divisors is an integer number (132593121).

Almost surely, 2^265186241 is an apocalyptic number.

It is an amenable number.

265186241 is a deficient number, since it is larger than the sum of its proper divisors (1).

265186241 is an equidigital number, since it uses as much as digits as its factorization.

265186241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 265186241 is about 16284.5399382359. The cubic root of 265186241 is about 642.4662659997.

The spelling of 265186241 in words is "two hundred sixty-five million, one hundred eighty-six thousand, two hundred forty-one".