2081249 has 2 divisors, whose sum is σ = 2081250. Its totient is φ = 2081248.

The previous prime is 2081237. The next prime is 2081251. The reversal of 2081249 is 9421802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 30625 = 1432^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081249 is a prime.

Together with 2081251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2081549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040624 + 1040625.

It is an arithmetic number, because the mean of its divisors is an integer number (1040625).

2^2081249 is an apocalyptic number.

It is an amenable number.

2081249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081249 is an equidigital number, since it uses as much as digits as its factorization.

2081249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2081249 is about 1442.6534580418. The cubic root of 2081249 is about 127.6756313387.

The spelling of 2081249 in words is "two million, eighty-one thousand, two hundred forty-nine".