2183261 has 2 divisors, whose sum is σ = 2183262. Its totient is φ = 2183260.

The previous prime is 2183249. The next prime is 2183281. The reversal of 2183261 is 1623812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 1038361 = 1070^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183261 - 2¹⁴ = 2166877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2183201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091630 + 1091631.

It is an arithmetic number, because the mean of its divisors is an integer number (1091631).

2^2183261 is an apocalyptic number.

It is an amenable number.

2183261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183261 is an equidigital number, since it uses as much as digits as its factorization.

2183261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 2183261 is about 1477.5862072989. The cubic root of 2183261 is about 129.7284469628.

The spelling of 2183261 in words is "two million, one hundred eighty-three thousand, two hundred sixty-one".