452143217 has 2 divisors, whose sum is σ = 452143218. Its totient is φ = 452143216.

The previous prime is 452143187. The next prime is 452143253. The reversal of 452143217 is 712341254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 46362481 = 20144^2 + 6809^2 .

It is a cyclic number.

It is not a de Polignac number, because 452143217 - 2¹⁴ = 452126833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452143217.

It is not a weakly prime, because it can be changed into another prime (452143267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226071608 + 226071609.

It is an arithmetic number, because the mean of its divisors is an integer number (226071609).

Almost surely, 2^452143217 is an apocalyptic number.

It is an amenable number.

452143217 is a deficient number, since it is larger than the sum of its proper divisors (1).

452143217 is an equidigital number, since it uses as much as digits as its factorization.

452143217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 452143217 is about 21263.6595392233. The cubic root of 452143217 is about 767.5240745489.

The spelling of 452143217 in words is "four hundred fifty-two million, one hundred forty-three thousand, two hundred seventeen".