2058857 has 2 divisors, whose sum is σ = 2058858. Its totient is φ = 2058856.

The previous prime is 2058851. The next prime is 2058869. The reversal of 2058857 is 7588502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 287296 = 1331^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2058857 - 2⁴ = 2058841 is a prime.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (2058851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029428 + 1029429.

It is an arithmetic number, because the mean of its divisors is an integer number (1029429).

2^2058857 is an apocalyptic number.

It is an amenable number.

2058857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2058857 is an equidigital number, since it uses as much as digits as its factorization.

2058857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2058857 is about 1434.8717712744. The cubic root of 2058857 is about 127.2160951971.

The spelling of 2058857 in words is "two million, fifty-eight thousand, eight hundred fifty-seven".