522461661 has 8 divisors (see below), whose sum is σ = 701229504. Its totient is φ = 346000800.

The previous prime is 522461659. The next prime is 522461669. The reversal of 522461661 is 166164225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 522461661 - 2¹ = 522461659 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522461669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576216 + ... + 577121.

It is an arithmetic number, because the mean of its divisors is an integer number (87653688).

Almost surely, 2^522461661 is an apocalyptic number.

It is an amenable number.

522461661 is a deficient number, since it is larger than the sum of its proper divisors (178767843).

522461661 is a wasteful number, since it uses less digits than its factorization.

522461661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153491.

The product of its digits is 17280, while the sum is 33.

The square root of 522461661 is about 22857.4202612631. The cubic root of 522461661 is about 805.4120858647.

The spelling of 522461661 in words is "five hundred twenty-two million, four hundred sixty-one thousand, six hundred sixty-one".