4001017 has 2 divisors, whose sum is σ = 4001018. Its totient is φ = 4001016.

The previous prime is 4001009. The next prime is 4001027. The reversal of 4001017 is 7101004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326976 + 674041 = 1824^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001017 - 2³ = 4001009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000988 and 4001006.

It is not a weakly prime, because it can be changed into another prime (4001027) 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, 2000508 + 2000509.

It is an arithmetic number, because the mean of its divisors is an integer number (2000509).

Almost surely, 2^4001017 is an apocalyptic number.

It is an amenable number.

4001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001017 is an equidigital number, since it uses as much as digits as its factorization.

4001017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 4001017 is about 2000.2542338413. The cubic root of 4001017 is about 158.7535572807.

Subtracting from 4001017 its sum of digits (13), we obtain a palindrome (4001004).

The spelling of 4001017 in words is "four million, one thousand, seventeen".