2060561 has 2 divisors, whose sum is σ = 2060562. Its totient is φ = 2060560.

The previous prime is 2060551. The next prime is 2060563. The reversal of 2060561 is 1650602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 483025 = 1256^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2060561 - 2¹⁰ = 2059537 is a prime.

Together with 2060563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2060563) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030280 + 1030281.

It is an arithmetic number, because the mean of its divisors is an integer number (1030281).

2^2060561 is an apocalyptic number.

It is an amenable number.

2060561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2060561 is an equidigital number, since it uses as much as digits as its factorization.

2060561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2060561 is about 1435.4654297474. The cubic root of 2060561 is about 127.2511820518.

It can be divided in two parts, 20605 and 61, that multiplied together give a triangular number (1256905 = T₁₅₈₅).

The spelling of 2060561 in words is "two million, sixty thousand, five hundred sixty-one".