454444213 has 2 divisors, whose sum is σ = 454444214. Its totient is φ = 454444212.

The previous prime is 454444201. The next prime is 454444229. The reversal of 454444213 is 312444454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285001924 + 169442289 = 16882^2 + 13017^2 .

It is a cyclic number.

It is not a de Polignac number, because 454444213 - 2¹⁷ = 454313141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454444273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227222106 + 227222107.

It is an arithmetic number, because the mean of its divisors is an integer number (227222107).

Almost surely, 2^454444213 is an apocalyptic number.

It is an amenable number.

454444213 is a deficient number, since it is larger than the sum of its proper divisors (1).

454444213 is an equidigital number, since it uses as much as digits as its factorization.

454444213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 31.

The square root of 454444213 is about 21317.6971786354. The cubic root of 454444213 is about 768.8238709457.

Adding to 454444213 its reverse (312444454), we get a palindrome (766888667).

The spelling of 454444213 in words is "four hundred fifty-four million, four hundred forty-four thousand, two hundred thirteen".