520898481 has 12 divisors (see below), whose sum is σ = 770760900. Its totient is φ = 338795520.

The previous prime is 520898467. The next prime is 520898491. The reversal of 520898481 is 184898025.

It is a happy number.

520898481 is a `hidden beast` number, since 520 + 89 + 8 + 48 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204947856 + 315950625 = 14316^2 + 17775^2 .

It is not a de Polignac number, because 520898481 - 2⁷ = 520898353 is a prime.

It is a super-2 number, since 2×520898481² = 542670455016214722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520898491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705456 + ... + 706193.

It is an arithmetic number, because the mean of its divisors is an integer number (64230075).

Almost surely, 2^520898481 is an apocalyptic number.

It is an amenable number.

520898481 is a deficient number, since it is larger than the sum of its proper divisors (249862419).

520898481 is a wasteful number, since it uses less digits than its factorization.

520898481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411696 (or 1411693 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 520898481 is about 22823.2004986154. The cubic root of 520898481 is about 804.6080321091.

The spelling of 520898481 in words is "five hundred twenty million, eight hundred ninety-eight thousand, four hundred eighty-one".