265742027 has 2 divisors, whose sum is σ = 265742028. Its totient is φ = 265742026.

The previous prime is 265742003. The next prime is 265742041. The reversal of 265742027 is 720247562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265742027 is a prime.

It is not a weakly prime, because it can be changed into another prime (265742527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132871013 + 132871014.

It is an arithmetic number, because the mean of its divisors is an integer number (132871014).

Almost surely, 2^265742027 is an apocalyptic number.

265742027 is a deficient number, since it is larger than the sum of its proper divisors (1).

265742027 is an equidigital number, since it uses as much as digits as its factorization.

265742027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 265742027 is about 16301.5958421254. The cubic root of 265742027 is about 642.9147867440.

Adding to 265742027 its reverse (720247562), we get a palindrome (985989589).

The spelling of 265742027 in words is "two hundred sixty-five million, seven hundred forty-two thousand, twenty-seven".