450205213 has 2 divisors, whose sum is σ = 450205214. Its totient is φ = 450205212.

The previous prime is 450205201. The next prime is 450205229. The reversal of 450205213 is 312502054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370870564 + 79334649 = 19258^2 + 8907^2 .

It is a cyclic number.

It is not a de Polignac number, because 450205213 - 2¹³ = 450197021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450205253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225102606 + 225102607.

It is an arithmetic number, because the mean of its divisors is an integer number (225102607).

Almost surely, 2^450205213 is an apocalyptic number.

It is an amenable number.

450205213 is a deficient number, since it is larger than the sum of its proper divisors (1).

450205213 is an equidigital number, since it uses as much as digits as its factorization.

450205213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 450205213 is about 21218.0398010749. The cubic root of 450205213 is about 766.4259011040.

Adding to 450205213 its reverse (312502054), we get a palindrome (762707267).

The spelling of 450205213 in words is "four hundred fifty million, two hundred five thousand, two hundred thirteen".