523345271 has 2 divisors, whose sum is σ = 523345272. Its totient is φ = 523345270.

The previous prime is 523345247. The next prime is 523345301. The reversal of 523345271 is 172543325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523345271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523345171) 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, 261672635 + 261672636.

It is an arithmetic number, because the mean of its divisors is an integer number (261672636).

Almost surely, 2^523345271 is an apocalyptic number.

523345271 is a deficient number, since it is larger than the sum of its proper divisors (1).

523345271 is an equidigital number, since it uses as much as digits as its factorization.

523345271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 523345271 is about 22876.7408299347. The cubic root of 523345271 is about 805.8658795113.

Adding to 523345271 its reverse (172543325), we get a palindrome (695888596).

The spelling of 523345271 in words is "five hundred twenty-three million, three hundred forty-five thousand, two hundred seventy-one".