5715989 has 2 divisors, whose sum is σ = 5715990. Its totient is φ = 5715988.

The previous prime is 5715949. The next prime is 5715991. The reversal of 5715989 is 9895175.

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., 4695889 + 1020100 = 2167^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 5715989 - 2⁸ = 5715733 is a prime.

Together with 5715991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5715949) 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, 2857994 + 2857995.

It is an arithmetic number, because the mean of its divisors is an integer number (2857995).

Almost surely, 2^5715989 is an apocalyptic number.

It is an amenable number.

5715989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5715989 is an equidigital number, since it uses as much as digits as its factorization.

5715989 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5715989 is about 2390.8134598918. The cubic root of 5715989 is about 178.7984686078.

The spelling of 5715989 in words is "five million, seven hundred fifteen thousand, nine hundred eighty-nine".