5979581 has 2 divisors, whose sum is σ = 5979582. Its totient is φ = 5979580.

The previous prime is 5979551. The next prime is 5979583. The reversal of 5979581 is 1859795.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5924356 + 55225 = 2434^2 + 235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5979581 is a prime.

It is a super-2 number, since 2×5979581² = 71510777871122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5979583, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5979583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989790 + 2989791.

It is an arithmetic number, because the mean of its divisors is an integer number (2989791).

Almost surely, 2^5979581 is an apocalyptic number.

It is an amenable number.

5979581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5979581 is an equidigital number, since it uses as much as digits as its factorization.

5979581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 44.

The square root of 5979581 is about 2445.3181797059. The cubic root of 5979581 is about 181.5056928651.

The spelling of 5979581 in words is "five million, nine hundred seventy-nine thousand, five hundred eighty-one".