454244321 has 2 divisors, whose sum is σ = 454244322. Its totient is φ = 454244320.

The previous prime is 454244281. The next prime is 454244327. The reversal of 454244321 is 123442454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437269921 + 16974400 = 20911^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 454244321 - 2²⁶ = 387135457 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (454244327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227122160 + 227122161.

It is an arithmetic number, because the mean of its divisors is an integer number (227122161).

Almost surely, 2^454244321 is an apocalyptic number.

It is an amenable number.

454244321 is a deficient number, since it is larger than the sum of its proper divisors (1).

454244321 is an equidigital number, since it uses as much as digits as its factorization.

454244321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 29.

The square root of 454244321 is about 21313.0082578692. The cubic root of 454244321 is about 768.7111293630.

Adding to 454244321 its reverse (123442454), we get a palindrome (577686775).

The spelling of 454244321 in words is "four hundred fifty-four million, two hundred forty-four thousand, three hundred twenty-one".