2749081 has 2 divisors, whose sum is σ = 2749082. Its totient is φ = 2749080.

The previous prime is 2749069. The next prime is 2749093. The reversal of 2749081 is 1809472.

It is a balanced prime because it is at equal distance from previous prime (2749069) and next prime (2749093).

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 173056 = 1605^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749081 - 2⁷ = 2748953 is a prime.

It is a super-2 number, since 2×2749081² = 15114892689122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2749031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374540 + 1374541.

It is an arithmetic number, because the mean of its divisors is an integer number (1374541).

2^2749081 is an apocalyptic number.

It is an amenable number.

2749081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749081 is an equidigital number, since it uses as much as digits as its factorization.

2749081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2749081 is about 1658.0352830986. The cubic root of 2749081 is about 140.0863582840.

The spelling of 2749081 in words is "two million, seven hundred forty-nine thousand, eighty-one".