522661441 has 2 divisors, whose sum is σ = 522661442. Its totient is φ = 522661440.

The previous prime is 522661427. The next prime is 522661483. The reversal of 522661441 is 144166225.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371371441 + 151290000 = 19271^2 + 12300^2 .

It is a cyclic number.

It is not a de Polignac number, because 522661441 - 2⁵ = 522661409 is a prime.

It is equal to p_27485050 and since 522661441 and 27485050 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (522661241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261330720 + 261330721.

It is an arithmetic number, because the mean of its divisors is an integer number (261330721).

Almost surely, 2^522661441 is an apocalyptic number.

It is an amenable number.

522661441 is a deficient number, since it is larger than the sum of its proper divisors (1).

522661441 is an equidigital number, since it uses as much as digits as its factorization.

522661441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 522661441 is about 22861.7899780398. The cubic root of 522661441 is about 805.5147311774.

The spelling of 522661441 in words is "five hundred twenty-two million, six hundred sixty-one thousand, four hundred forty-one".