2061757 has 2 divisors, whose sum is σ = 2061758. Its totient is φ = 2061756.

The previous prime is 2061733. The next prime is 2061793. The reversal of 2061757 is 7571602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 793881 = 1126^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061757 - 2⁷ = 2061629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2062757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030878 + 1030879.

It is an arithmetic number, because the mean of its divisors is an integer number (1030879).

2^2061757 is an apocalyptic number.

It is an amenable number.

2061757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061757 is an equidigital number, since it uses as much as digits as its factorization.

2061757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2061757 is about 1435.8819589367. The cubic root of 2061757 is about 127.2757971894.

The spelling of 2061757 in words is "two million, sixty-one thousand, seven hundred fifty-seven".