522306263 has 2 divisors, whose sum is σ = 522306264. Its totient is φ = 522306262.

The previous prime is 522306233. The next prime is 522306293. The reversal of 522306263 is 362603225.

It is a balanced prime because it is at equal distance from previous prime (522306233) and next prime (522306293).

It is a cyclic number.

It is not a de Polignac number, because 522306263 - 2⁶ = 522306199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522306223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261153131 + 261153132.

It is an arithmetic number, because the mean of its divisors is an integer number (261153132).

Almost surely, 2^522306263 is an apocalyptic number.

522306263 is a deficient number, since it is larger than the sum of its proper divisors (1).

522306263 is an equidigital number, since it uses as much as digits as its factorization.

522306263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 522306263 is about 22854.0207184644. The cubic root of 522306263 is about 805.3322255626.

Adding to 522306263 its reverse (362603225), we get a palindrome (884909488).

The spelling of 522306263 in words is "five hundred twenty-two million, three hundred six thousand, two hundred sixty-three".