522601 has 2 divisors, whose sum is σ = 522602. Its totient is φ = 522600.

The previous prime is 522569. The next prime is 522623. The reversal of 522601 is 106225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 133225 = 624^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 522601 - 2⁵ = 522569 is a prime.

It is a super-2 number, since 2×522601² = 546223610402, which contains 22 as substring.

522601 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (522661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261300 + 261301.

It is an arithmetic number, because the mean of its divisors is an integer number (261301).

2⁵²²⁶⁰¹ is an apocalyptic number.

It is an amenable number.

522601 is a deficient number, since it is larger than the sum of its proper divisors (1).

522601 is an equidigital number, since it uses as much as digits as its factorization.

522601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 522601 is about 722.9114745251. The cubic root of 522601 is about 80.5483679851.

Adding to 522601 its reverse (106225), we get a palindrome (628826).

The spelling of 522601 in words is "five hundred twenty-two thousand, six hundred one".