5789981 has 2 divisors, whose sum is σ = 5789982. Its totient is φ = 5789980.

The previous prime is 5789969. The next prime is 5789999. The reversal of 5789981 is 1899875.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 749956 = 2245^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 5789981 - 2¹⁴ = 5773597 is a prime.

It is a super-2 number, since 2×5789981² = 67047759960722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5789921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894990 + 2894991.

It is an arithmetic number, because the mean of its divisors is an integer number (2894991).

Almost surely, 2^5789981 is an apocalyptic number.

It is an amenable number.

5789981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5789981 is an equidigital number, since it uses as much as digits as its factorization.

5789981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 47.

The square root of 5789981 is about 2406.2379350347. The cubic root of 5789981 is about 179.5666633727.

The spelling of 5789981 in words is "five million, seven hundred eighty-nine thousand, nine hundred eighty-one".