454523213 has 2 divisors, whose sum is σ = 454523214. Its totient is φ = 454523212.

The previous prime is 454523143. The next prime is 454523297. The reversal of 454523213 is 312325454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419512324 + 35010889 = 20482^2 + 5917^2 .

It is a cyclic number.

It is not a de Polignac number, because 454523213 - 2¹⁶ = 454457677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454523513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227261606 + 227261607.

It is an arithmetic number, because the mean of its divisors is an integer number (227261607).

Almost surely, 2^454523213 is an apocalyptic number.

It is an amenable number.

454523213 is a deficient number, since it is larger than the sum of its proper divisors (1).

454523213 is an equidigital number, since it uses as much as digits as its factorization.

454523213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 454523213 is about 21319.5500187035. The cubic root of 454523213 is about 768.8684188168.

Adding to 454523213 its reverse (312325454), we get a palindrome (766848667).

The spelling of 454523213 in words is "four hundred fifty-four million, five hundred twenty-three thousand, two hundred thirteen".