2751449 has 2 divisors, whose sum is σ = 2751450. Its totient is φ = 2751448.

The previous prime is 2751407. The next prime is 2751457. The reversal of 2751449 is 9441572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 692224 = 1435^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751449 - 2⁸ = 2751193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2751479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375724 + 1375725.

It is an arithmetic number, because the mean of its divisors is an integer number (1375725).

2^2751449 is an apocalyptic number.

It is an amenable number.

2751449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751449 is an equidigital number, since it uses as much as digits as its factorization.

2751449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 2751449 is about 1658.7492275808. The cubic root of 2751449 is about 140.1265692121.

The spelling of 2751449 in words is "two million, seven hundred fifty-one thousand, four hundred forty-nine".