216250201 has 2 divisors, whose sum is σ = 216250202. Its totient is φ = 216250200.

The previous prime is 216250193. The next prime is 216250207. The reversal of 216250201 is 102052612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167961600 + 48288601 = 12960^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 216250201 - 2³ = 216250193 is a prime.

It is not a weakly prime, because it can be changed into another prime (216250207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108125100 + 108125101.

It is an arithmetic number, because the mean of its divisors is an integer number (108125101).

Almost surely, 2^216250201 is an apocalyptic number.

It is an amenable number.

216250201 is a deficient number, since it is larger than the sum of its proper divisors (1).

216250201 is an equidigital number, since it uses as much as digits as its factorization.

216250201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 216250201 is about 14705.4480040562. The cubic root of 216250201 is about 600.2315782003.

The spelling of 216250201 in words is "two hundred sixteen million, two hundred fifty thousand, two hundred one".