2803057 has 2 divisors, whose sum is σ = 2803058. Its totient is φ = 2803056.

The previous prime is 2803037. The next prime is 2803061. The reversal of 2803057 is 7503082.

2803057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2792241 + 10816 = 1671^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 2803057 - 2⁷ = 2802929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2803037) 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, 1401528 + 1401529.

It is an arithmetic number, because the mean of its divisors is an integer number (1401529).

2^2803057 is an apocalyptic number.

It is an amenable number.

2803057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2803057 is an equidigital number, since it uses as much as digits as its factorization.

2803057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2803057 is about 1674.2332573450. The cubic root of 2803057 is about 140.9972502524.

Adding to 2803057 its sum of digits (25), we get a palindrome (2803082).

The spelling of 2803057 in words is "two million, eight hundred three thousand, fifty-seven".