263256652297 has 2 divisors, whose sum is σ = 263256652298. Its totient is φ = 263256652296.

The previous prime is 263256652289. The next prime is 263256652333. The reversal of 263256652297 is 792256652362.

It is a happy number.

263256652297 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., 263193624576 + 63027721 = 513024^2 + 7939^2 .

It is a cyclic number.

It is not a de Polignac number, because 263256652297 - 2³ = 263256652289 is a prime.

It is not a weakly prime, because it can be changed into another prime (263256652247) 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, 131628326148 + 131628326149.

It is an arithmetic number, because the mean of its divisors is an integer number (131628326149).

Almost surely, 2^263256652297 is an apocalyptic number.

It is an amenable number.

263256652297 is a deficient number, since it is larger than the sum of its proper divisors (1).

263256652297 is an equidigital number, since it uses as much as digits as its factorization.

263256652297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 55.

The spelling of 263256652297 in words is "two hundred sixty-three billion, two hundred fifty-six million, six hundred fifty-two thousand, two hundred ninety-seven".