4216001 has 2 divisors, whose sum is σ = 4216002. Its totient is φ = 4216000.

The previous prime is 4215979. The next prime is 4216007. The reversal of 4216001 is 1006124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3806401 + 409600 = 1951^2 + 640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4216001 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4216007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108000 + 2108001.

It is an arithmetic number, because the mean of its divisors is an integer number (2108001).

Almost surely, 2^4216001 is an apocalyptic number.

It is an amenable number.

4216001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216001 is an equidigital number, since it uses as much as digits as its factorization.

4216001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4216001 is about 2053.2902863453. The cubic root of 4216001 is about 161.5474975874.

The spelling of 4216001 in words is "four million, two hundred sixteen thousand, one".