2057317973 has 2 divisors, whose sum is σ = 2057317974. Its totient is φ = 2057317972.

The previous prime is 2057317877. The next prime is 2057317979. The reversal of 2057317973 is 3797137502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874716804 + 182601169 = 43298^2 + 13513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057317973 - 2¹⁸ = 2057055829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057317979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028658986 + 1028658987.

It is an arithmetic number, because the mean of its divisors is an integer number (1028658987).

Almost surely, 2^2057317973 is an apocalyptic number.

It is an amenable number.

2057317973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057317973 is an equidigital number, since it uses as much as digits as its factorization.

2057317973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 2057317973 is about 45357.6671908951. The cubic root of 2057317973 is about 1271.8438863842.

The spelling of 2057317973 in words is "two billion, fifty-seven million, three hundred seventeen thousand, nine hundred seventy-three".