2748149 has 2 divisors, whose sum is σ = 2748150. Its totient is φ = 2748148.

The previous prime is 2748133. The next prime is 2748157. The reversal of 2748149 is 9418472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 2500 = 1657^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748149 - 2⁴ = 2748133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2708149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374074 + 1374075.

It is an arithmetic number, because the mean of its divisors is an integer number (1374075).

2^2748149 is an apocalyptic number.

It is an amenable number.

2748149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748149 is an equidigital number, since it uses as much as digits as its factorization.

2748149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 2748149 is about 1657.7542037347. The cubic root of 2748149 is about 140.0705256909.

The spelling of 2748149 in words is "two million, seven hundred forty-eight thousand, one hundred forty-nine".