455361217 has 2 divisors, whose sum is σ = 455361218. Its totient is φ = 455361216.

The previous prime is 455361209. The next prime is 455361229. The reversal of 455361217 is 712163554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346555456 + 108805761 = 18616^2 + 10431^2 .

It is a cyclic number.

It is not a de Polignac number, because 455361217 - 2³ = 455361209 is a prime.

It is equal to p_24121996 and since 455361217 and 24121996 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (455361287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227680608 + 227680609.

It is an arithmetic number, because the mean of its divisors is an integer number (227680609).

Almost surely, 2^455361217 is an apocalyptic number.

It is an amenable number.

455361217 is a deficient number, since it is larger than the sum of its proper divisors (1).

455361217 is an equidigital number, since it uses as much as digits as its factorization.

455361217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 455361217 is about 21339.1943849809. The cubic root of 455361217 is about 769.3406493674.

The spelling of 455361217 in words is "four hundred fifty-five million, three hundred sixty-one thousand, two hundred seventeen".