5998609 has 2 divisors, whose sum is σ = 5998610. Its totient is φ = 5998608.

The previous prime is 5998583. The next prime is 5998613. The reversal of 5998609 is 9068995.

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., 5313025 + 685584 = 2305^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 5998609 - 2⁷ = 5998481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5998639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999304 + 2999305.

It is an arithmetic number, because the mean of its divisors is an integer number (2999305).

Almost surely, 2^5998609 is an apocalyptic number.

It is an amenable number.

5998609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5998609 is an equidigital number, since it uses as much as digits as its factorization.

5998609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 5998609 is about 2449.2057896388. The cubic root of 5998609 is about 181.6980158938.

The spelling of 5998609 in words is "five million, nine hundred ninety-eight thousand, six hundred nine".