40217201 has 2 divisors, whose sum is σ = 40217202. Its totient is φ = 40217200.

The previous prime is 40217161. The next prime is 40217207. The reversal of 40217201 is 10271204.

40217201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25959025 + 14258176 = 5095^2 + 3776^2 .

It is a cyclic number.

It is not a de Polignac number, because 40217201 - 2¹⁰ = 40216177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40217201.

It is not a weakly prime, because it can be changed into another prime (40217207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108600 + 20108601.

It is an arithmetic number, because the mean of its divisors is an integer number (20108601).

Almost surely, 2^40217201 is an apocalyptic number.

It is an amenable number.

40217201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40217201 is an equidigital number, since it uses as much as digits as its factorization.

40217201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 40217201 is about 6341.7033200868. The cubic root of 40217201 is about 342.6130864250.

Adding to 40217201 its reverse (10271204), we get a palindrome (50488405).

The spelling of 40217201 in words is "forty million, two hundred seventeen thousand, two hundred one".