5996509 has 2 divisors, whose sum is σ = 5996510. Its totient is φ = 5996508.

The previous prime is 5996489. The next prime is 5996519. The reversal of 5996509 is 9056995.

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., 5040025 + 956484 = 2245^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 5996509 - 2⁵ = 5996477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5996519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998254 + 2998255.

It is an arithmetic number, because the mean of its divisors is an integer number (2998255).

Almost surely, 2^5996509 is an apocalyptic number.

It is an amenable number.

5996509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5996509 is an equidigital number, since it uses as much as digits as its factorization.

5996509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 5996509 is about 2448.7770417088. Note that the first 3 decimals coincide. The cubic root of 5996509 is about 181.6768104016.

The spelling of 5996509 in words is "five million, nine hundred ninety-six thousand, five hundred nine".