265240751 has 2 divisors, whose sum is σ = 265240752. Its totient is φ = 265240750.

The previous prime is 265240733. The next prime is 265240793. The reversal of 265240751 is 157042562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265240751 - 2⁶ = 265240687 is a prime.

It is a Sophie Germain 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 (265240721) 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, 132620375 + 132620376.

It is an arithmetic number, because the mean of its divisors is an integer number (132620376).

Almost surely, 2^265240751 is an apocalyptic number.

265240751 is a deficient number, since it is larger than the sum of its proper divisors (1).

265240751 is an equidigital number, since it uses as much as digits as its factorization.

265240751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 265240751 is about 16286.2135255559. The cubic root of 265240751 is about 642.5102834128.

The spelling of 265240751 in words is "two hundred sixty-five million, two hundred forty thousand, seven hundred fifty-one".