523327289 has 2 divisors, whose sum is σ = 523327290. Its totient is φ = 523327288.

The previous prime is 523327267. The next prime is 523327313. The reversal of 523327289 is 982723325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442471225 + 80856064 = 21035^2 + 8992^2 .

It is a cyclic number.

It is not a de Polignac number, because 523327289 - 2¹² = 523323193 is a prime.

It is not a weakly prime, because it can be changed into another prime (523327489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261663644 + 261663645.

It is an arithmetic number, because the mean of its divisors is an integer number (261663645).

Almost surely, 2^523327289 is an apocalyptic number.

It is an amenable number.

523327289 is a deficient number, since it is larger than the sum of its proper divisors (1).

523327289 is an equidigital number, since it uses as much as digits as its factorization.

523327289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 523327289 is about 22876.3478072878. The cubic root of 523327289 is about 805.8566496288.

The spelling of 523327289 in words is "five hundred twenty-three million, three hundred twenty-seven thousand, two hundred eighty-nine".