5281805524 has 24 divisors (see below), whose sum is σ = 9466427880. Its totient is φ = 2577629184.

The previous prime is 5281805453. The next prime is 5281805533. The reversal of 5281805524 is 4255081825.

It can be written as a sum of positive squares in 4 ways, for example, as 259532100 + 5022273424 = 16110^2 + 70868^2 .

It is a super-3 number, since 3×5281805524³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23629 + ... + 105460.

It is an arithmetic number, because the mean of its divisors is an integer number (394434495).

Almost surely, 2^5281805524 is an apocalyptic number.

It is an amenable number.

5281805524 is a deficient number, since it is larger than the sum of its proper divisors (4184622356).

5281805524 is a wasteful number, since it uses less digits than its factorization.

5281805524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129339 (or 129337 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 5281805524 is about 72676.0312895524. The cubic root of 5281805524 is about 1741.5159998703.

The spelling of 5281805524 in words is "five billion, two hundred eighty-one million, eight hundred five thousand, five hundred twenty-four".