2805051 has 8 divisors (see below), whose sum is σ = 3960144. Its totient is φ = 1760000.

The previous prime is 2805043. The next prime is 2805071. The reversal of 2805051 is 1505082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2805051 - 2³ = 2805043 is a prime.

It is a super-2 number, since 2×2805051² = 15736622225202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2805001) 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, 27450 + ... + 27551.

It is an arithmetic number, because the mean of its divisors is an integer number (495018).

2^2805051 is an apocalyptic number.

2805051 is a deficient number, since it is larger than the sum of its proper divisors (1155093).

2805051 is a wasteful number, since it uses less digits than its factorization.

2805051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55021.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2805051 is about 1674.8286479518. The cubic root of 2805051 is about 141.0306758869.

The spelling of 2805051 in words is "two million, eight hundred five thousand, fifty-one".