2018851 has 2 divisors, whose sum is σ = 2018852. Its totient is φ = 2018850.

The previous prime is 2018843. The next prime is 2018873. The reversal of 2018851 is 1588102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2018851 - 2³ = 2018843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009425 + 1009426.

It is an arithmetic number, because the mean of its divisors is an integer number (1009426).

2^2018851 is an apocalyptic number.

2018851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018851 is an equidigital number, since it uses as much as digits as its factorization.

2018851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2018851 is about 1420.8627660686. The cubic root of 2018851 is about 126.3867139737.

The spelling of 2018851 in words is "two million, eighteen thousand, eight hundred fifty-one".