522446461 has 2 divisors, whose sum is σ = 522446462. Its totient is φ = 522446460.

The previous prime is 522446447. The next prime is 522446467. The reversal of 522446461 is 164644225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479347236 + 43099225 = 21894^2 + 6565^2 .

It is a cyclic number.

It is not a de Polignac number, because 522446461 - 2²⁵ = 488892029 is a prime.

It is a super-2 number, since 2×522446461² = 545900609222849042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522446467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261223230 + 261223231.

It is an arithmetic number, because the mean of its divisors is an integer number (261223231).

Almost surely, 2^522446461 is an apocalyptic number.

It is an amenable number.

522446461 is a deficient number, since it is larger than the sum of its proper divisors (1).

522446461 is an equidigital number, since it uses as much as digits as its factorization.

522446461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 34.

The square root of 522446461 is about 22857.0877628800. The cubic root of 522446461 is about 805.4042751592.

The spelling of 522446461 in words is "five hundred twenty-two million, four hundred forty-six thousand, four hundred sixty-one".