2723249 has 2 divisors, whose sum is σ = 2723250. Its totient is φ = 2723248.

The previous prime is 2723243. The next prime is 2723293. The reversal of 2723249 is 9423272.

It is a happy number.

2723249 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., 2371600 + 351649 = 1540^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2723249 - 2¹² = 2719153 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2723243) 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, 1361624 + 1361625.

It is an arithmetic number, because the mean of its divisors is an integer number (1361625).

2^2723249 is an apocalyptic number.

It is an amenable number.

2723249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723249 is an equidigital number, since it uses as much as digits as its factorization.

2723249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 2723249 is about 1650.2269540884. The cubic root of 2723249 is about 139.6461984791.

The spelling of 2723249 in words is "two million, seven hundred twenty-three thousand, two hundred forty-nine".