2905057 has 2 divisors, whose sum is σ = 2905058. Its totient is φ = 2905056.

The previous prime is 2905033. The next prime is 2905069. The reversal of 2905057 is 7505092.

2905057 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., 2768896 + 136161 = 1664^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2905057 is a prime.

It is a Chen prime.

2905057 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2905027) 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, 1452528 + 1452529.

It is an arithmetic number, because the mean of its divisors is an integer number (1452529).

2^2905057 is an apocalyptic number.

It is an amenable number.

2905057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2905057 is an equidigital number, since it uses as much as digits as its factorization.

2905057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2905057 is about 1704.4227761914. The cubic root of 2905057 is about 142.6871573862.

The spelling of 2905057 in words is "two million, nine hundred five thousand, fifty-seven".