265245502500361 has 2 divisors, whose sum is σ = 265245502500362. Its totient is φ = 265245502500360.

The previous prime is 265245502500353. The next prime is 265245502500413. The reversal of 265245502500361 is 163005205542562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177900403360761 + 87345099139600 = 13337931^2 + 9345860^2 .

It is a cyclic number.

It is not a de Polignac number, because 265245502500361 - 2³ = 265245502500353 is a prime.

It is not a weakly prime, because it can be changed into another prime (265245502500061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132622751250180 + 132622751250181.

It is an arithmetic number, because the mean of its divisors is an integer number (132622751250181).

Almost surely, 2^{265245502500361} is an apocalyptic number.

It is an amenable number.

265245502500361 is a deficient number, since it is larger than the sum of its proper divisors (1).

265245502500361 is an equidigital number, since it uses as much as digits as its factorization.

265245502500361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 265245502500361 in words is "two hundred sixty-five trillion, two hundred forty-five billion, five hundred two million, five hundred thousand, three hundred sixty-one".