265630273 has 2 divisors, whose sum is σ = 265630274. Its totient is φ = 265630272.

The previous prime is 265630271. The next prime is 265630319. The reversal of 265630273 is 372036562.

265630273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257057089 + 8573184 = 16033^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 265630273 - 2¹ = 265630271 is a prime.

Together with 265630271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (265630271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132815136 + 132815137.

It is an arithmetic number, because the mean of its divisors is an integer number (132815137).

Almost surely, 2^265630273 is an apocalyptic number.

It is an amenable number.

265630273 is a deficient number, since it is larger than the sum of its proper divisors (1).

265630273 is an equidigital number, since it uses as much as digits as its factorization.

265630273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 265630273 is about 16298.1677804593. The cubic root of 265630273 is about 642.8246512420.

The spelling of 265630273 in words is "two hundred sixty-five million, six hundred thirty thousand, two hundred seventy-three".