523521353 has 2 divisors, whose sum is σ = 523521354. Its totient is φ = 523521352.

The previous prime is 523521287. The next prime is 523521371. The reversal of 523521353 is 353125325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456805129 + 66716224 = 21373^2 + 8168^2 .

It is a cyclic number.

It is not a de Polignac number, because 523521353 - 2²⁴ = 506744137 is a prime.

It is not a weakly prime, because it can be changed into another prime (523520353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261760676 + 261760677.

It is an arithmetic number, because the mean of its divisors is an integer number (261760677).

Almost surely, 2^523521353 is an apocalyptic number.

It is an amenable number.

523521353 is a deficient number, since it is larger than the sum of its proper divisors (1).

523521353 is an equidigital number, since it uses as much as digits as its factorization.

523521353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 29.

The square root of 523521353 is about 22880.5890002858. The cubic root of 523521353 is about 805.9562485102.

Adding to 523521353 its reverse (353125325), we get a palindrome (876646678).

The spelling of 523521353 in words is "five hundred twenty-three million, five hundred twenty-one thousand, three hundred fifty-three".