7201189 has 2 divisors, whose sum is σ = 7201190. Its totient is φ = 7201188.

The previous prime is 7201157. The next prime is 7201211. The reversal of 7201189 is 9811027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4068289 + 3132900 = 2017^2 + 1770^2 .

It is an emirp because it is prime and its reverse (9811027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7201189 - 2⁵ = 7201157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7201109) 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, 3600594 + 3600595.

It is an arithmetic number, because the mean of its divisors is an integer number (3600595).

Almost surely, 2^7201189 is an apocalyptic number.

It is an amenable number.

7201189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201189 is an equidigital number, since it uses as much as digits as its factorization.

7201189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 7201189 is about 2683.5031209224. The cubic root of 7201189 is about 193.1085056590.

The spelling of 7201189 in words is "seven million, two hundred one thousand, one hundred eighty-nine".