2051827 has 4 divisors (see below), whose sum is σ = 2055456. Its totient is φ = 2048200.

The previous prime is 2051821. The next prime is 2051839. The reversal of 2051827 is 7281502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051827 is a prime.

It is a Duffinian number.

2051827 is a lucky number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2051821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (513864).

2^2051827 is an apocalyptic number.

2051827 is a deficient number, since it is larger than the sum of its proper divisors (3629).

2051827 is an equidigital number, since it uses as much as digits as its factorization.

2051827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2051827 is about 1432.4199803130. The cubic root of 2051827 is about 127.0711362895.

The spelling of 2051827 in words is "two million, fifty-one thousand, eight hundred twenty-seven".