2185853 has 2 divisors, whose sum is σ = 2185854. Its totient is φ = 2185852.

The previous prime is 2185801. The next prime is 2185861. The reversal of 2185853 is 3585812.

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., 2184484 + 1369 = 1478^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 2185853 - 2⁶ = 2185789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092926 + 1092927.

It is an arithmetic number, because the mean of its divisors is an integer number (1092927).

2^2185853 is an apocalyptic number.

It is an amenable number.

2185853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185853 is an equidigital number, since it uses as much as digits as its factorization.

2185853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 2185853 is about 1478.4630533091. The cubic root of 2185853 is about 129.7797651748.

The spelling of 2185853 in words is "two million, one hundred eighty-five thousand, eight hundred fifty-three".