522461605 has 4 divisors (see below), whose sum is σ = 626953932. Its totient is φ = 417969280.

The previous prime is 522461581. The next prime is 522461623. The reversal of 522461605 is 506164225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 282273601 + 240188004 = 16801^2 + 15498^2 .

It is not a de Polignac number, because 522461605 - 2¹⁷ = 522330533 is a prime.

It is a super-2 number, since 2×522461605² = 545932257398352050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 52246156 + ... + 52246165.

It is an arithmetic number, because the mean of its divisors is an integer number (156738483).

Almost surely, 2^522461605 is an apocalyptic number.

It is an amenable number.

522461605 is a deficient number, since it is larger than the sum of its proper divisors (104492327).

522461605 is a wasteful number, since it uses less digits than its factorization.

522461605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104492326.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 522461605 is about 22857.4190362779. The cubic root of 522461605 is about 805.4120570887.

The spelling of 522461605 in words is "five hundred twenty-two million, four hundred sixty-one thousand, six hundred five".