2726249 has 2 divisors, whose sum is σ = 2726250. Its totient is φ = 2726248.

The previous prime is 2726237. The next prime is 2726263. The reversal of 2726249 is 9426272.

2726249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1087849 = 1280^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2726249 - 2²⁰ = 1677673 is a prime.

It is a super-2 number, since 2×2726249² = 14864867220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2726209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363124 + 1363125.

It is an arithmetic number, because the mean of its divisors is an integer number (1363125).

2^2726249 is an apocalyptic number.

It is an amenable number.

2726249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726249 is an equidigital number, since it uses as much as digits as its factorization.

2726249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 2726249 is about 1651.1356697740. The cubic root of 2726249 is about 139.6974589223.

The spelling of 2726249 in words is "two million, seven hundred twenty-six thousand, two hundred forty-nine".