522542269 has 2 divisors, whose sum is σ = 522542270. Its totient is φ = 522542268.

The previous prime is 522542227. The next prime is 522542323. The reversal of 522542269 is 962245225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 52736644 = 21675^2 + 7262^2 .

It is a cyclic number.

It is not a de Polignac number, because 522542269 - 2¹⁹ = 522017981 is a prime.

It is a super-2 number, since 2×522542269² = 546100845783336722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522542219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261271134 + 261271135.

It is an arithmetic number, because the mean of its divisors is an integer number (261271135).

Almost surely, 2^522542269 is an apocalyptic number.

It is an amenable number.

522542269 is a deficient number, since it is larger than the sum of its proper divisors (1).

522542269 is an equidigital number, since it uses as much as digits as its factorization.

522542269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 522542269 is about 22859.1834718566. The cubic root of 522542269 is about 805.4535047372.

The spelling of 522542269 in words is "five hundred twenty-two million, five hundred forty-two thousand, two hundred sixty-nine".