2057440057 has 2 divisors, whose sum is σ = 2057440058. Its totient is φ = 2057440056.

The previous prime is 2057440043. The next prime is 2057440069. The reversal of 2057440057 is 7500447502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1809566521 + 247873536 = 42539^2 + 15744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057440057 - 2¹⁹ = 2056915769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2057440037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028720028 + 1028720029.

It is an arithmetic number, because the mean of its divisors is an integer number (1028720029).

Almost surely, 2^2057440057 is an apocalyptic number.

It is an amenable number.

2057440057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057440057 is an equidigital number, since it uses as much as digits as its factorization.

2057440057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 2057440057 is about 45359.0129632469. The cubic root of 2057440057 is about 1271.8690435256.

Adding to 2057440057 its reverse (7500447502), we get a palindrome (9557887559).

The spelling of 2057440057 in words is "two billion, fifty-seven million, four hundred forty thousand, fifty-seven".