2750028481 has 2 divisors, whose sum is σ = 2750028482. Its totient is φ = 2750028480.

The previous prime is 2750028461. The next prime is 2750028487. The reversal of 2750028481 is 1848200572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2641034881 + 108993600 = 51391^2 + 10440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750028481 - 2⁷ = 2750028353 is a prime.

It is a super-2 number, since 2×2750028481² = 15125313292622334722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2750028481.

It is not a weakly prime, because it can be changed into another prime (2750028487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375014240 + 1375014241.

It is an arithmetic number, because the mean of its divisors is an integer number (1375014241).

Almost surely, 2^2750028481 is an apocalyptic number.

It is an amenable number.

2750028481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750028481 is an equidigital number, since it uses as much as digits as its factorization.

2750028481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 2750028481 is about 52440.7139634845. The cubic root of 2750028481 is about 1401.0245019705.

The spelling of 2750028481 in words is "two billion, seven hundred fifty million, twenty-eight thousand, four hundred eighty-one".