456550217 has 2 divisors, whose sum is σ = 456550218. Its totient is φ = 456550216.

The previous prime is 456550189. The next prime is 456550229. The reversal of 456550217 is 712055654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415385161 + 41165056 = 20381^2 + 6416^2 .

It is a cyclic number.

It is not a de Polignac number, because 456550217 - 2¹⁶ = 456484681 is a prime.

It is not a weakly prime, because it can be changed into another prime (456550247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228275108 + 228275109.

It is an arithmetic number, because the mean of its divisors is an integer number (228275109).

Almost surely, 2^456550217 is an apocalyptic number.

It is an amenable number.

456550217 is a deficient number, since it is larger than the sum of its proper divisors (1).

456550217 is an equidigital number, since it uses as much as digits as its factorization.

456550217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 456550217 is about 21367.0357560425. The cubic root of 456550217 is about 770.0096794196.

The spelling of 456550217 in words is "four hundred fifty-six million, five hundred fifty thousand, two hundred seventeen".