522961 has 2 divisors, whose sum is σ = 522962. Its totient is φ = 522960.

The previous prime is 522959. The next prime is 522989. The reversal of 522961 is 169225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 231361 = 540^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 522961 - 2¹ = 522959 is a prime.

Together with 522959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (522061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261480 + 261481.

It is an arithmetic number, because the mean of its divisors is an integer number (261481).

2⁵²²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

522961 is a deficient number, since it is larger than the sum of its proper divisors (1).

522961 is an equidigital number, since it uses as much as digits as its factorization.

522961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 522961 is about 723.1604248021. The cubic root of 522961 is about 80.5668593113.

The spelling of 522961 in words is "five hundred twenty-two thousand, nine hundred sixty-one".