522251 has 2 divisors, whose sum is σ = 522252. Its totient is φ = 522250.

The previous prime is 522239. The next prime is 522259. The reversal of 522251 is 152225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522251 - 2¹⁴ = 505867 is a prime.

It is a super-2 number, since 2×522251² = 545492214002, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5² + 2⁴ + 2⁹ + 2¹⁷ + 5⁸ + 1 .

It is not a weakly prime, because it can be changed into another prime (522259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261125 + 261126.

It is an arithmetic number, because the mean of its divisors is an integer number (261126).

2⁵²²²⁵¹ is an apocalyptic number.

522251 is a deficient number, since it is larger than the sum of its proper divisors (1).

522251 is an equidigital number, since it uses as much as digits as its factorization.

522251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200, while the sum is 17.

The square root of 522251 is about 722.6693573136. The cubic root of 522251 is about 80.5303821637.

Adding to 522251 its reverse (152225), we get a palindrome (674476).

The spelling of 522251 in words is "five hundred twenty-two thousand, two hundred fifty-one".