265163207 has 2 divisors, whose sum is σ = 265163208. Its totient is φ = 265163206.

The previous prime is 265163191. The next prime is 265163219. The reversal of 265163207 is 702361562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265163207 - 2⁴ = 265163191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265168207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132581603 + 132581604.

It is an arithmetic number, because the mean of its divisors is an integer number (132581604).

Almost surely, 2^265163207 is an apocalyptic number.

265163207 is a deficient number, since it is larger than the sum of its proper divisors (1).

265163207 is an equidigital number, since it uses as much as digits as its factorization.

265163207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 265163207 is about 16283.8326876691. The cubic root of 265163207 is about 642.4476639833.

The spelling of 265163207 in words is "two hundred sixty-five million, one hundred sixty-three thousand, two hundred seven".