2081099 has 2 divisors, whose sum is σ = 2081100. Its totient is φ = 2081098.

The previous prime is 2081047. The next prime is 2081129. The reversal of 2081099 is 9901802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081099 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2081029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040549 + 1040550.

It is an arithmetic number, because the mean of its divisors is an integer number (1040550).

2^2081099 is an apocalyptic number.

2081099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081099 is an equidigital number, since it uses as much as digits as its factorization.

2081099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2081099 is about 1442.6014695681. The cubic root of 2081099 is about 127.6725639811.

The spelling of 2081099 in words is "two million, eighty-one thousand, ninety-nine".