2010651 has 4 divisors (see below), whose sum is σ = 2680872. Its totient is φ = 1340432.

The previous prime is 2010647. The next prime is 2010653. The reversal of 2010651 is 1560102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010651 - 2² = 2010647 is a prime.

It is a D-number.

2010651 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2010651.

It is not an unprimeable number, because it can be changed into a prime (2010653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335106 + ... + 335111.

It is an arithmetic number, because the mean of its divisors is an integer number (670218).

2^2010651 is an apocalyptic number.

2010651 is a deficient number, since it is larger than the sum of its proper divisors (670221).

2010651 is an equidigital number, since it uses as much as digits as its factorization.

2010651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670220.

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

The square root of 2010651 is about 1417.9742592868. The cubic root of 2010651 is about 126.2153661166.

Adding to 2010651 its reverse (1560102), we get a palindrome (3570753).

The spelling of 2010651 in words is "two million, ten thousand, six hundred fifty-one".