5285002581 has 6 divisors (see below), whose sum is σ = 7633892630. Its totient is φ = 3523335048.

The previous prime is 5285002579. The next prime is 5285002637. The reversal of 5285002581 is 1852005825.

5285002581 is a `hidden beast` number, since 5 + 28 + 50 + 0 + 2 + 581 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3088580625 + 2196421956 = 55575^2 + 46866^2 .

It is not a de Polignac number, because 5285002581 - 2¹ = 5285002579 is a prime.

It is a super-2 number, since 2×5285002581² = 55862504562353323122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285002501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293611246 + ... + 293611263.

Almost surely, 2^5285002581 is an apocalyptic number.

It is an amenable number.

5285002581 is a deficient number, since it is larger than the sum of its proper divisors (2348890049).

5285002581 is a wasteful number, since it uses less digits than its factorization.

5285002581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587222515 (or 587222512 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 5285002581 is about 72698.0232262198. The cubic root of 5285002581 is about 1741.8673066911.

The spelling of 5285002581 in words is "five billion, two hundred eighty-five million, two thousand, five hundred eighty-one".