522542323 has 2 divisors, whose sum is σ = 522542324. Its totient is φ = 522542322.

The previous prime is 522542269. The next prime is 522542333. The reversal of 522542323 is 323245225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522542323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522542291 and 522542300.

It is not a weakly prime, because it can be changed into another prime (522542333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261271161 + 261271162.

It is an arithmetic number, because the mean of its divisors is an integer number (261271162).

Almost surely, 2^522542323 is an apocalyptic number.

522542323 is a deficient number, since it is larger than the sum of its proper divisors (1).

522542323 is an equidigital number, since it uses as much as digits as its factorization.

522542323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 28.

The square root of 522542323 is about 22859.1846530011. The cubic root of 522542323 is about 805.4535324827.

Adding to 522542323 its reverse (323245225), we get a palindrome (845787548).

The spelling of 522542323 in words is "five hundred twenty-two million, five hundred forty-two thousand, three hundred twenty-three".