454130321 has 2 divisors, whose sum is σ = 454130322. Its totient is φ = 454130320.

The previous prime is 454130311. The next prime is 454130371. The reversal of 454130321 is 123031454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446899600 + 7230721 = 21140^2 + 2689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454130321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (454130311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227065160 + 227065161.

It is an arithmetic number, because the mean of its divisors is an integer number (227065161).

Almost surely, 2^454130321 is an apocalyptic number.

It is an amenable number.

454130321 is a deficient number, since it is larger than the sum of its proper divisors (1).

454130321 is an equidigital number, since it uses as much as digits as its factorization.

454130321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 454130321 is about 21310.3336670264. Note that the first 3 decimals coincide. The cubic root of 454130321 is about 768.6468171293.

Adding to 454130321 its reverse (123031454), we get a palindrome (577161775).

The spelling of 454130321 in words is "four hundred fifty-four million, one hundred thirty thousand, three hundred twenty-one".