2057706901 has 2 divisors, whose sum is σ = 2057706902. Its totient is φ = 2057706900.

The previous prime is 2057706883. The next prime is 2057706929. The reversal of 2057706901 is 1096077502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036904401 + 1020802500 = 32201^2 + 31950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057706901 - 2¹¹ = 2057704853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057706971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028853450 + 1028853451.

It is an arithmetic number, because the mean of its divisors is an integer number (1028853451).

Almost surely, 2^2057706901 is an apocalyptic number.

It is an amenable number.

2057706901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057706901 is an equidigital number, since it uses as much as digits as its factorization.

2057706901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 2057706901 is about 45361.9543340011. The cubic root of 2057706901 is about 1271.9240270557.

The spelling of 2057706901 in words is "two billion, fifty-seven million, seven hundred six thousand, nine hundred one".