250265265317 has 2 divisors, whose sum is σ = 250265265318. Its totient is φ = 250265265316.

The previous prime is 250265265253. The next prime is 250265265319. The reversal of 250265265317 is 713562562052.

250265265317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203147616961 + 47117648356 = 450719^2 + 217066^2 .

It is a cyclic number.

It is not a de Polignac number, because 250265265317 - 2⁶ = 250265265253 is a prime.

It is a super-2 number, since 2×250265265317² (a number of 24 digits) contains 22 as substring.

Together with 250265265319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250265265319) 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, 125132632658 + 125132632659.

It is an arithmetic number, because the mean of its divisors is an integer number (125132632659).

Almost surely, 2^250265265317 is an apocalyptic number.

It is an amenable number.

250265265317 is a deficient number, since it is larger than the sum of its proper divisors (1).

250265265317 is an equidigital number, since it uses as much as digits as its factorization.

250265265317 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 44.

The spelling of 250265265317 in words is "two hundred fifty billion, two hundred sixty-five million, two hundred sixty-five thousand, three hundred seventeen".