4261189 has 2 divisors, whose sum is σ = 4261190. Its totient is φ = 4261188.

The previous prime is 4261183. The next prime is 4261193. The reversal of 4261189 is 9811624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 613089 = 1910^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261189 - 2⁹ = 4260677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4261189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4261183) 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, 2130594 + 2130595.

It is an arithmetic number, because the mean of its divisors is an integer number (2130595).

Almost surely, 2^4261189 is an apocalyptic number.

It is an amenable number.

4261189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261189 is an equidigital number, since it uses as much as digits as its factorization.

4261189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 4261189 is about 2064.2647601507. The cubic root of 4261189 is about 162.1226145845.

The spelling of 4261189 in words is "four million, two hundred sixty-one thousand, one hundred eighty-nine".