450434213 has 2 divisors, whose sum is σ = 450434214. Its totient is φ = 450434212.

The previous prime is 450434209. The next prime is 450434267. The reversal of 450434213 is 312434054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289068004 + 161366209 = 17002^2 + 12703^2 .

It is a cyclic number.

It is not a de Polignac number, because 450434213 - 2² = 450434209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450434513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225217106 + 225217107.

It is an arithmetic number, because the mean of its divisors is an integer number (225217107).

Almost surely, 2^450434213 is an apocalyptic number.

It is an amenable number.

450434213 is a deficient number, since it is larger than the sum of its proper divisors (1).

450434213 is an equidigital number, since it uses as much as digits as its factorization.

450434213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 450434213 is about 21223.4354664837. The cubic root of 450434213 is about 766.5558283581. Note that the first 3 decimals are identical.

Adding to 450434213 its reverse (312434054), we get a palindrome (762868267).

The spelling of 450434213 in words is "four hundred fifty million, four hundred thirty-four thousand, two hundred thirteen".