265289027 has 2 divisors, whose sum is σ = 265289028. Its totient is φ = 265289026.

The previous prime is 265288997. The next prime is 265289047. The reversal of 265289027 is 720982562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265289027 - 2²⁰ = 264240451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265289047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132644513 + 132644514.

It is an arithmetic number, because the mean of its divisors is an integer number (132644514).

Almost surely, 2^265289027 is an apocalyptic number.

265289027 is a deficient number, since it is larger than the sum of its proper divisors (1).

265289027 is an equidigital number, since it uses as much as digits as its factorization.

265289027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 265289027 is about 16287.6955705833. The cubic root of 265289027 is about 642.5492617682.

The spelling of 265289027 in words is "two hundred sixty-five million, two hundred eighty-nine thousand, twenty-seven".