522661705 has 16 divisors (see below), whose sum is σ = 654119424. Its totient is φ = 400458240.

The previous prime is 522661703. The next prime is 522661739. The reversal of 522661705 is 507166225.

It is not a de Polignac number, because 522661705 - 2¹ = 522661703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522661703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 32416.

It is an arithmetic number, because the mean of its divisors is an integer number (40882464).

Almost surely, 2^522661705 is an apocalyptic number.

It is an amenable number.

522661705 is a deficient number, since it is larger than the sum of its proper divisors (131457719).

522661705 is a wasteful number, since it uses less digits than its factorization.

522661705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34896.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 522661705 is about 22861.7957518652. The cubic root of 522661705 is about 805.5148668011.

The spelling of 522661705 in words is "five hundred twenty-two million, six hundred sixty-one thousand, seven hundred five".