5996581 has 4 divisors (see below), whose sum is σ = 6020172. Its totient is φ = 5972992.

The previous prime is 5996561. The next prime is 5996587. The reversal of 5996581 is 1856995.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 2788900 = 1791^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5996581 - 2¹⁵ = 5963813 is a prime.

It is a super-2 number, since 2×5996581² = 71917967379122, 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 (5996587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11410 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (1505043).

Almost surely, 2^5996581 is an apocalyptic number.

It is an amenable number.

5996581 is a deficient number, since it is larger than the sum of its proper divisors (23591).

5996581 is a wasteful number, since it uses less digits than its factorization.

5996581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23590.

The product of its digits is 97200, while the sum is 43.

The square root of 5996581 is about 2448.7917428806. The cubic root of 5996581 is about 181.6775375290.

The spelling of 5996581 in words is "five million, nine hundred ninety-six thousand, five hundred eighty-one".