2154853 has 2 divisors, whose sum is σ = 2154854. Its totient is φ = 2154852.

The previous prime is 2154851. The next prime is 2154871. The reversal of 2154853 is 3584512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 804609 = 1162^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154853 - 2¹ = 2154851 is a prime.

Together with 2154851, it forms a pair of twin primes.

2154853 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077426 + 1077427.

It is an arithmetic number, because the mean of its divisors is an integer number (1077427).

2^2154853 is an apocalyptic number.

It is an amenable number.

2154853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154853 is an equidigital number, since it uses as much as digits as its factorization.

2154853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 2154853 is about 1467.9417563378. The cubic root of 2154853 is about 129.1633249685.

The spelling of 2154853 in words is "two million, one hundred fifty-four thousand, eight hundred fifty-three".