522825428261 has 2 divisors, whose sum is σ = 522825428262. Its totient is φ = 522825428260.

The previous prime is 522825428231. The next prime is 522825428273. The reversal of 522825428261 is 162824528225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323368509025 + 199456919236 = 568655^2 + 446606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522825428261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522825428231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261412714130 + 261412714131.

It is an arithmetic number, because the mean of its divisors is an integer number (261412714131).

Almost surely, 2^522825428261 is an apocalyptic number.

It is an amenable number.

522825428261 is a deficient number, since it is larger than the sum of its proper divisors (1).

522825428261 is an equidigital number, since it uses as much as digits as its factorization.

522825428261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1228800, while the sum is 47.

The spelling of 522825428261 in words is "five hundred twenty-two billion, eight hundred twenty-five million, four hundred twenty-eight thousand, two hundred sixty-one".