2056851 has 6 divisors (see below), whose sum is σ = 2971020. Its totient is φ = 1371228.

The previous prime is 2056843. The next prime is 2056853. The reversal of 2056851 is 1586502.

It is not a de Polignac number, because 2056851 - 2³ = 2056843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2056853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114261 + ... + 114278.

It is an arithmetic number, because the mean of its divisors is an integer number (495170).

2^2056851 is an apocalyptic number.

2056851 is a deficient number, since it is larger than the sum of its proper divisors (914169).

2056851 is a wasteful number, since it uses less digits than its factorization.

2056851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228545 (or 228542 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2056851 is about 1434.1725837569. The cubic root of 2056851 is about 127.1747650783.

It can be divided in two parts, 205 and 6851, that added together give a square (7056 = 84²).

The spelling of 2056851 in words is "two million, fifty-six thousand, eight hundred fifty-one".