265264163 has 2 divisors, whose sum is σ = 265264164. Its totient is φ = 265264162.

The previous prime is 265264151. The next prime is 265264183. The reversal of 265264163 is 361462562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265264163 - 2¹⁰ = 265263139 is a prime.

It is not a weakly prime, because it can be changed into another prime (265264123) 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, 132632081 + 132632082.

It is an arithmetic number, because the mean of its divisors is an integer number (132632082).

Almost surely, 2^265264163 is an apocalyptic number.

265264163 is a deficient number, since it is larger than the sum of its proper divisors (1).

265264163 is an equidigital number, since it uses as much as digits as its factorization.

265264163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 265264163 is about 16286.9322771356. The cubic root of 265264163 is about 642.5291870040.

The spelling of 265264163 in words is "two hundred sixty-five million, two hundred sixty-four thousand, one hundred sixty-three".