2772851 has 4 divisors (see below), whose sum is σ = 2798400. Its totient is φ = 2747304.

The previous prime is 2772839. The next prime is 2772881. The reversal of 2772851 is 1582772.

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

It is a cyclic number.

It is not a de Polignac number, because 2772851 - 2¹⁸ = 2510707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772881) 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 3 ways as a sum of consecutive naturals, for example, 12611 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (699600).

2^2772851 is an apocalyptic number.

2772851 is a deficient number, since it is larger than the sum of its proper divisors (25549).

2772851 is a wasteful number, since it uses less digits than its factorization.

2772851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25548.

The product of its digits is 7840, while the sum is 32.

The square root of 2772851 is about 1665.1879773767. The cubic root of 2772851 is about 140.4889535943.

The spelling of 2772851 in words is "two million, seven hundred seventy-two thousand, eight hundred fifty-one".