2912851 has 2 divisors, whose sum is σ = 2912852. Its totient is φ = 2912850.

The previous prime is 2912849. The next prime is 2912887. The reversal of 2912851 is 1582192.

2912851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2912851 - 2¹ = 2912849 is a prime.

Together with 2912849, it forms a pair of twin primes.

2912851 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2912891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456425 + 1456426.

It is an arithmetic number, because the mean of its divisors is an integer number (1456426).

2^2912851 is an apocalyptic number.

2912851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912851 is an equidigital number, since it uses as much as digits as its factorization.

2912851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 28.

The square root of 2912851 is about 1706.7076492475. The cubic root of 2912851 is about 142.8146489325.

It can be divided in two parts, 29 and 12851, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 2912851 in words is "two million, nine hundred twelve thousand, eight hundred fifty-one".