5997981265 has 8 divisors (see below), whose sum is σ = 7208276328. Its totient is φ = 4791252480.

The previous prime is 5997981251. The next prime is 5997981287. The reversal of 5997981265 is 5621897995.

It can be written as a sum of positive squares in 4 ways, for example, as 418488849 + 5579492416 = 20457^2 + 74696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5997981265 - 2⁵ = 5997981233 is a prime.

It is a Duffinian 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, 887866 + ... + 894595.

It is an arithmetic number, because the mean of its divisors is an integer number (901034541).

Almost surely, 2^5997981265 is an apocalyptic number.

It is an amenable number.

5997981265 is a deficient number, since it is larger than the sum of its proper divisors (1210295063).

5997981265 is a wasteful number, since it uses less digits than its factorization.

5997981265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783139.

The product of its digits is 12247200, while the sum is 61.

The square root of 5997981265 is about 77446.6349494928. The cubic root of 5997981265 is about 1816.9167763642.

The spelling of 5997981265 in words is "five billion, nine hundred ninety-seven million, nine hundred eighty-one thousand, two hundred sixty-five".