2051116 has 6 divisors (see below), whose sum is σ = 3589460. Its totient is φ = 1025556.

The previous prime is 2051113. The next prime is 2051123. The reversal of 2051116 is 6111502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051116.

It is not an unprimeable number, because it can be changed into a prime (2051111) 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, 256386 + ... + 256393.

2^2051116 is an apocalyptic number.

It is an amenable number.

2051116 is a deficient number, since it is larger than the sum of its proper divisors (1538344).

2051116 is a wasteful number, since it uses less digits than its factorization.

2051116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512783 (or 512781 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2051116 is about 1432.1717774066. The cubic root of 2051116 is about 127.0564570117.

Adding to 2051116 its reverse (6111502), we get a palindrome (8162618).

The spelling of 2051116 in words is "two million, fifty-one thousand, one hundred sixteen".