2052689 has 2 divisors, whose sum is σ = 2052690. Its totient is φ = 2052688.

The previous prime is 2052647. The next prime is 2052697. The reversal of 2052689 is 9862502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 70225 = 1408^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052689 - 2¹² = 2048593 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2052629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026344 + 1026345.

It is an arithmetic number, because the mean of its divisors is an integer number (1026345).

2^2052689 is an apocalyptic number.

It is an amenable number.

2052689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052689 is an equidigital number, since it uses as much as digits as its factorization.

2052689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2052689 is about 1432.7208381258. The cubic root of 2052689 is about 127.0889285601.

The spelling of 2052689 in words is "two million, fifty-two thousand, six hundred eighty-nine".