40217063 has 2 divisors, whose sum is σ = 40217064. Its totient is φ = 40217062.

The previous prime is 40217059. The next prime is 40217123. The reversal of 40217063 is 36071204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40217063 - 2² = 40217059 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40217003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108531 + 20108532.

It is an arithmetic number, because the mean of its divisors is an integer number (20108532).

Almost surely, 2^40217063 is an apocalyptic number.

40217063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40217063 is an equidigital number, since it uses as much as digits as its factorization.

40217063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40217063 is about 6341.6924397199. The cubic root of 40217063 is about 342.6126945474.

Adding to 40217063 its reverse (36071204), we get a palindrome (76288267).

The spelling of 40217063 in words is "forty million, two hundred seventeen thousand, sixty-three".