265140300053257 has 2 divisors, whose sum is σ = 265140300053258. Its totient is φ = 265140300053256.

The previous prime is 265140300053203. The next prime is 265140300053261. The reversal of 265140300053257 is 752350003041562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229487232154896 + 35653067898361 = 15148836^2 + 5971019^2 .

It is a cyclic number.

It is not a de Polignac number, because 265140300053257 - 2¹⁵ = 265140300020489 is a prime.

It is not a weakly prime, because it can be changed into another prime (265140300053267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570150026628 + 132570150026629.

It is an arithmetic number, because the mean of its divisors is an integer number (132570150026629).

Almost surely, 2^{265140300053257} is an apocalyptic number.

It is an amenable number.

265140300053257 is a deficient number, since it is larger than the sum of its proper divisors (1).

265140300053257 is an equidigital number, since it uses as much as digits as its factorization.

265140300053257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 265140300053257 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred million, fifty-three thousand, two hundred fifty-seven".