4001233217 has 2 divisors, whose sum is σ = 4001233218. Its totient is φ = 4001233216.

The previous prime is 4001233177. The next prime is 4001233259. The reversal of 4001233217 is 7123321004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3999171121 + 2062096 = 63239^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001233217 - 2²⁰ = 4000184641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4001233192 and 4001233201.

It is not a weakly prime, because it can be changed into another prime (4001233517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000616608 + 2000616609.

It is an arithmetic number, because the mean of its divisors is an integer number (2000616609).

Almost surely, 2^4001233217 is an apocalyptic number.

It is an amenable number.

4001233217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001233217 is an equidigital number, since it uses as much as digits as its factorization.

4001233217 is an evil number, because the sum of its binary digits is even.

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

The square root of 4001233217 is about 63255.3018884583. The cubic root of 4001233217 is about 1587.5641693697.

The spelling of 4001233217 in words is "four billion, one million, two hundred thirty-three thousand, two hundred seventeen".