522040469 has 2 divisors, whose sum is σ = 522040470. Its totient is φ = 522040468.

The previous prime is 522040439. The next prime is 522040487. The reversal of 522040469 is 964040225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480179569 + 41860900 = 21913^2 + 6470^2 .

It is a cyclic number.

It is not a de Polignac number, because 522040469 - 2⁸ = 522040213 is a prime.

It is a super-2 number, since 2×522040469² = 545052502547479922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522040429) 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, 261020234 + 261020235.

It is an arithmetic number, because the mean of its divisors is an integer number (261020235).

Almost surely, 2^522040469 is an apocalyptic number.

It is an amenable number.

522040469 is a deficient number, since it is larger than the sum of its proper divisors (1).

522040469 is an equidigital number, since it uses as much as digits as its factorization.

522040469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 522040469 is about 22848.2049404324. The cubic root of 522040469 is about 805.1955951292.

The spelling of 522040469 in words is "five hundred twenty-two million, forty thousand, four hundred sixty-nine".