522648489 has 12 divisors (see below), whose sum is σ = 765975728. Its totient is φ = 316756440.

The previous prime is 522648457. The next prime is 522648509. The reversal of 522648489 is 984846225.

It is a happy number.

It is not a de Polignac number, because 522648489 - 2⁵ = 522648457 is a prime.

It is a super-2 number, since 2×522648489² = 546322886107966242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522648589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719539 + ... + 720264.

Almost surely, 2^522648489 is an apocalyptic number.

It is an amenable number.

522648489 is a deficient number, since it is larger than the sum of its proper divisors (243327239).

522648489 is a wasteful number, since it uses less digits than its factorization.

522648489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439828 (or 1439817 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 522648489 is about 22861.5067088764. The cubic root of 522648489 is about 805.5080773399.

The spelling of 522648489 in words is "five hundred twenty-two million, six hundred forty-eight thousand, four hundred eighty-nine".