2085757 has 2 divisors, whose sum is σ = 2085758. Its totient is φ = 2085756.

The previous prime is 2085739. The next prime is 2085779. The reversal of 2085757 is 7575802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 206116 = 1371^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085757 - 2¹¹ = 2083709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042878 + 1042879.

It is an arithmetic number, because the mean of its divisors is an integer number (1042879).

2^2085757 is an apocalyptic number.

It is an amenable number.

2085757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085757 is an equidigital number, since it uses as much as digits as its factorization.

2085757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2085757 is about 1444.2150116932. The cubic root of 2085757 is about 127.7677469687.

The spelling of 2085757 in words is "two million, eighty-five thousand, seven hundred fifty-seven".