5981867 has 2 divisors, whose sum is σ = 5981868. Its totient is φ = 5981866.

The previous prime is 5981851. The next prime is 5981873. The reversal of 5981867 is 7681895.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5981867 - 2⁴ = 5981851 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5981887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990933 + 2990934.

It is an arithmetic number, because the mean of its divisors is an integer number (2990934).

Almost surely, 2^5981867 is an apocalyptic number.

5981867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981867 is an equidigital number, since it uses as much as digits as its factorization.

5981867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 44.

The square root of 5981867 is about 2445.7855588747. The cubic root of 5981867 is about 181.5288198562.

The spelling of 5981867 in words is "five million, nine hundred eighty-one thousand, eight hundred sixty-seven".