2162089 has 2 divisors, whose sum is σ = 2162090. Its totient is φ = 2162088.

The previous prime is 2162087. The next prime is 2162113. The reversal of 2162089 is 9802612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 10000 = 1467^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162089 - 2¹ = 2162087 is a prime.

Together with 2162087, it forms a pair of twin primes.

It is a Chen prime.

2162089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2162087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081044 + 1081045.

It is an arithmetic number, because the mean of its divisors is an integer number (1081045).

2^2162089 is an apocalyptic number.

It is an amenable number.

2162089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162089 is an equidigital number, since it uses as much as digits as its factorization.

2162089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2162089 is about 1470.4043661524. The cubic root of 2162089 is about 129.3077403274.

The spelling of 2162089 in words is "two million, one hundred sixty-two thousand, eighty-nine".