5981630281 has 27 divisors (see below), whose sum is σ = 6734791623. Its totient is φ = 5308686240.

The previous prime is 5981630273. The next prime is 5981630287. The reversal of 5981630281 is 1820361895.

The square root of 5981630281 is 77341.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1148599881 + 4833030400 = 33891^2 + 69520^2 .

It is not a de Polignac number, because 5981630281 - 2³ = 5981630273 is a prime.

It is a super-2 number, since 2×5981630281² = 71559801637152277922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5981630287) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 67209285 + ... + 67209373.

Almost surely, 2^5981630281 is an apocalyptic number.

5981630281 is the 77341-st square number.

5981630281 is the 38671-st centered octagonal number.

It is an amenable number.

5981630281 is a deficient number, since it is larger than the sum of its proper divisors (753161342).

5981630281 is an frugal number, since it uses more digits than its factorization.

5981630281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The cubic root of 5981630281 is about 1815.2642529234.

The spelling of 5981630281 in words is "five billion, nine hundred eighty-one million, six hundred thirty thousand, two hundred eighty-one".