459500549 has 2 divisors, whose sum is σ = 459500550. Its totient is φ = 459500548.

The previous prime is 459500491. The next prime is 459500551. The reversal of 459500549 is 945005954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268369924 + 191130625 = 16382^2 + 13825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459500549 is a prime.

It is a super-2 number, since 2×459500549² = 422281509062602802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 459500551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459500449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229750274 + 229750275.

It is an arithmetic number, because the mean of its divisors is an integer number (229750275).

Almost surely, 2^459500549 is an apocalyptic number.

It is an amenable number.

459500549 is a deficient number, since it is larger than the sum of its proper divisors (1).

459500549 is an equidigital number, since it uses as much as digits as its factorization.

459500549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 459500549 is about 21435.9639158121. The cubic root of 459500549 is about 771.6647789098.

The spelling of 459500549 in words is "four hundred fifty-nine million, five hundred thousand, five hundred forty-nine".