522623246401 has 2 divisors, whose sum is σ = 522623246402. Its totient is φ = 522623246400.

The previous prime is 522623246399. The next prime is 522623246417. The reversal of 522623246401 is 104642326225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340123406401 + 182499840000 = 583201^2 + 427200^2 .

It is a cyclic number.

It is not a de Polignac number, because 522623246401 - 2¹ = 522623246399 is a prime.

Together with 522623246399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (522623246701) 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, 261311623200 + 261311623201.

It is an arithmetic number, because the mean of its divisors is an integer number (261311623201).

Almost surely, 2^522623246401 is an apocalyptic number.

It is an amenable number.

522623246401 is a deficient number, since it is larger than the sum of its proper divisors (1).

522623246401 is an equidigital number, since it uses as much as digits as its factorization.

522623246401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 522623246401 in words is "five hundred twenty-two billion, six hundred twenty-three million, two hundred forty-six thousand, four hundred one".