4272001 has 2 divisors, whose sum is σ = 4272002. Its totient is φ = 4272000.

The previous prime is 4271963. The next prime is 4272029. The reversal of 4272001 is 1002724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 331776 = 1985^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272001 - 2⁷ = 4271873 is a prime.

It is not a weakly prime, because it can be changed into another prime (4272031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136000 + 2136001.

It is an arithmetic number, because the mean of its divisors is an integer number (2136001).

Almost surely, 2^4272001 is an apocalyptic number.

It is an amenable number.

4272001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272001 is an equidigital number, since it uses as much as digits as its factorization.

4272001 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 16.

The square root of 4272001 is about 2066.8819511525. The cubic root of 4272001 is about 162.2596177594.

Adding to 4272001 its reverse (1002724), we get a palindrome (5274725).

The spelling of 4272001 in words is "four million, two hundred seventy-two thousand, one".