452205181 has 2 divisors, whose sum is σ = 452205182. Its totient is φ = 452205180.

The previous prime is 452205161. The next prime is 452205197. The reversal of 452205181 is 181502254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451945081 + 260100 = 21259^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 452205181 - 2⁷ = 452205053 is a prime.

It is a super-2 number, since 2×452205181² = 408979051446485522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452205161) 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, 226102590 + 226102591.

It is an arithmetic number, because the mean of its divisors is an integer number (226102591).

Almost surely, 2^452205181 is an apocalyptic number.

It is an amenable number.

452205181 is a deficient number, since it is larger than the sum of its proper divisors (1).

452205181 is an equidigital number, since it uses as much as digits as its factorization.

452205181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 452205181 is about 21265.1165291893. The cubic root of 452205181 is about 767.5591347449.

The spelling of 452205181 in words is "four hundred fifty-two million, two hundred five thousand, one hundred eighty-one".