2010561 has 16 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 1088208.

The previous prime is 2010559. The next prime is 2010571. The reversal of 2010561 is 1650102.

It is not a de Polignac number, because 2010561 - 2¹ = 2010559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010561.

It is not an unprimeable number, because it can be changed into a prime (2010571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2010561 is an apocalyptic number.

2010561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2010561 is a deficient number, since it is larger than the sum of its proper divisors (1215039).

2010561 is a wasteful number, since it uses less digits than its factorization.

2010561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2010561 is about 1417.9425235178. The cubic root of 2010561 is about 126.2134828870.

Adding to 2010561 its reverse (1650102), we get a palindrome (3660663).

The spelling of 2010561 in words is "two million, ten thousand, five hundred sixty-one".