452044213 has 2 divisors, whose sum is σ = 452044214. Its totient is φ = 452044212.

The previous prime is 452044211. The next prime is 452044217. The reversal of 452044213 is 312440254.

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., 335878929 + 116165284 = 18327^2 + 10778^2 .

It is a cyclic number.

It is not a de Polignac number, because 452044213 - 2¹ = 452044211 is a prime.

Together with 452044211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452044211) 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, 226022106 + 226022107.

It is an arithmetic number, because the mean of its divisors is an integer number (226022107).

Almost surely, 2^452044213 is an apocalyptic number.

It is an amenable number.

452044213 is a deficient number, since it is larger than the sum of its proper divisors (1).

452044213 is an equidigital number, since it uses as much as digits as its factorization.

452044213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 452044213 is about 21261.3314023370. The cubic root of 452044213 is about 767.4680498960.

Adding to 452044213 its reverse (312440254), we get a palindrome (764484467).

The spelling of 452044213 in words is "four hundred fifty-two million, forty-four thousand, two hundred thirteen".