522126481 has 2 divisors, whose sum is σ = 522126482. Its totient is φ = 522126480.

The previous prime is 522126443. The next prime is 522126529. The reversal of 522126481 is 184621225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459716481 + 62410000 = 21441^2 + 7900^2 .

It is a cyclic number.

It is not a de Polignac number, because 522126481 - 2⁹ = 522125969 is a prime.

It is a super-2 number, since 2×522126481² = 545232124322886722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522126281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261063240 + 261063241.

It is an arithmetic number, because the mean of its divisors is an integer number (261063241).

Almost surely, 2^522126481 is an apocalyptic number.

It is an amenable number.

522126481 is a deficient number, since it is larger than the sum of its proper divisors (1).

522126481 is an equidigital number, since it uses as much as digits as its factorization.

522126481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 522126481 is about 22850.0871114313. The cubic root of 522126481 is about 805.2398143576.

The spelling of 522126481 in words is "five hundred twenty-two million, one hundred twenty-six thousand, four hundred eighty-one".