522245345122549 has 2 divisors, whose sum is σ = 522245345122550. Its totient is φ = 522245345122548.

The previous prime is 522245345122393. The next prime is 522245345122601. The reversal of 522245345122549 is 945221543542225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472016686143025 + 50228658979524 = 21725945^2 + 7087218^2 .

It is a cyclic number.

It is not a de Polignac number, because 522245345122549 - 2⁴¹ = 520046321866997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522245345122549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522245345822549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261122672561274 + 261122672561275.

It is an arithmetic number, because the mean of its divisors is an integer number (261122672561275).

Almost surely, 2^{522245345122549} is an apocalyptic number.

It is an amenable number.

522245345122549 is a deficient number, since it is larger than the sum of its proper divisors (1).

522245345122549 is an equidigital number, since it uses as much as digits as its factorization.

522245345122549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560000, while the sum is 55.

The spelling of 522245345122549 in words is "five hundred twenty-two trillion, two hundred forty-five billion, three hundred forty-five million, one hundred twenty-two thousand, five hundred forty-nine".