2051286 has 16 divisors (see below), whose sum is σ = 4244400. Its totient is φ = 660128.

The previous prime is 2051281. The next prime is 2051311. The reversal of 2051286 is 6821502.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051281) 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 7 ways as a sum of consecutive naturals, for example, 5721 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (265275).

2^2051286 is an apocalyptic number.

2051286 is an abundant number, since it is smaller than the sum of its proper divisors (2193114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051286 is a wasteful number, since it uses less digits than its factorization.

2051286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11823.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2051286 is about 1432.2311265993. The cubic root of 2051286 is about 127.0599671335.

Adding to 2051286 its reverse (6821502), we get a palindrome (8872788).

The spelling of 2051286 in words is "two million, fifty-one thousand, two hundred eighty-six".