4405217 has 2 divisors, whose sum is σ = 4405218. Its totient is φ = 4405216.

The previous prime is 4405199. The next prime is 4405231. The reversal of 4405217 is 7125044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 421201 = 1996^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405217 - 2⁶ = 4405153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4405192 and 4405201.

It is not a weakly prime, because it can be changed into another prime (4405267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202608 + 2202609.

It is an arithmetic number, because the mean of its divisors is an integer number (2202609).

Almost surely, 2^4405217 is an apocalyptic number.

It is an amenable number.

4405217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405217 is an equidigital number, since it uses as much as digits as its factorization.

4405217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4405217 is about 2098.8608815260. The cubic root of 4405217 is about 163.9289921629.

The spelling of 4405217 in words is "four million, four hundred five thousand, two hundred seventeen".