265312461506243 has 2 divisors, whose sum is σ = 265312461506244. Its totient is φ = 265312461506242.

The previous prime is 265312461506161. The next prime is 265312461506333. The reversal of 265312461506243 is 342605164213562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265312461506243 - 2²⁸ = 265312193070787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265312461506191 and 265312461506200.

It is not a weakly prime, because it can be changed into another prime (265312461500243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132656230753121 + 132656230753122.

It is an arithmetic number, because the mean of its divisors is an integer number (132656230753122).

Almost surely, 2^{265312461506243} is an apocalyptic number.

265312461506243 is a deficient number, since it is larger than the sum of its proper divisors (1).

265312461506243 is an equidigital number, since it uses as much as digits as its factorization.

265312461506243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 265312461506243 in words is "two hundred sixty-five trillion, three hundred twelve billion, four hundred sixty-one million, five hundred six thousand, two hundred forty-three".