450335213 has 2 divisors, whose sum is σ = 450335214. Its totient is φ = 450335212.

The previous prime is 450335201. The next prime is 450335227. The reversal of 450335213 is 312533054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331895524 + 118439689 = 18218^2 + 10883^2 .

It is a cyclic number.

It is not a de Polignac number, because 450335213 - 2¹⁰ = 450334189 is a prime.

It is a Sophie Germain 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 (450335273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225167606 + 225167607.

It is an arithmetic number, because the mean of its divisors is an integer number (225167607).

Almost surely, 2^450335213 is an apocalyptic number.

It is an amenable number.

450335213 is a deficient number, since it is larger than the sum of its proper divisors (1).

450335213 is an equidigital number, since it uses as much as digits as its factorization.

450335213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 450335213 is about 21221.1030109182. The cubic root of 450335213 is about 766.4996643388.

Adding to 450335213 its reverse (312533054), we get a palindrome (762868267).

The spelling of 450335213 in words is "four hundred fifty million, three hundred thirty-five thousand, two hundred thirteen".