2750249 has 2 divisors, whose sum is σ = 2750250. Its totient is φ = 2750248.

The previous prime is 2750219. The next prime is 2750261. The reversal of 2750249 is 9420572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 403225 = 1532^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2750219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375124 + 1375125.

It is an arithmetic number, because the mean of its divisors is an integer number (1375125).

2^2750249 is an apocalyptic number.

It is an amenable number.

2750249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750249 is an equidigital number, since it uses as much as digits as its factorization.

2750249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2750249 is about 1658.3874698031. The cubic root of 2750249 is about 140.1061949372.

The spelling of 2750249 in words is "two million, seven hundred fifty thousand, two hundred forty-nine".