265245317 has 2 divisors, whose sum is σ = 265245318. Its totient is φ = 265245316.

The previous prime is 265245283. The next prime is 265245319. The reversal of 265245317 is 713542562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165225316 + 100020001 = 12854^2 + 10001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265245317 is a prime.

Together with 265245319, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_14466455 and since 265245317 and 14466455 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265245319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132622658 + 132622659.

It is an arithmetic number, because the mean of its divisors is an integer number (132622659).

Almost surely, 2^265245317 is an apocalyptic number.

It is an amenable number.

265245317 is a deficient number, since it is larger than the sum of its proper divisors (1).

265245317 is an equidigital number, since it uses as much as digits as its factorization.

265245317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 265245317 is about 16286.3537048659. The cubic root of 265245317 is about 642.5139702333.

Adding to 265245317 its reverse (713542562), we get a palindrome (978787879).

It can be divided in two parts, 265245 and 317, that added together give a palindrome (265562).

The spelling of 265245317 in words is "two hundred sixty-five million, two hundred forty-five thousand, three hundred seventeen".