2182489 has 2 divisors, whose sum is σ = 2182490. Its totient is φ = 2182488.

The previous prime is 2182451. The next prime is 2182513. The reversal of 2182489 is 9842812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 990025 = 1092^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182489 - 2¹⁷ = 2051417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2182429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091244 + 1091245.

It is an arithmetic number, because the mean of its divisors is an integer number (1091245).

2^2182489 is an apocalyptic number.

It is an amenable number.

2182489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182489 is an equidigital number, since it uses as much as digits as its factorization.

2182489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 2182489 is about 1477.3249473288. The cubic root of 2182489 is about 129.7131545222.

The spelling of 2182489 in words is "two million, one hundred eighty-two thousand, four hundred eighty-nine".