2172853 has 2 divisors, whose sum is σ = 2172854. Its totient is φ = 2172852.

The previous prime is 2172851. The next prime is 2172869. The reversal of 2172853 is 3582712.

2172853 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 can be written as a sum of positive squares in only one way, i.e., 2125764 + 47089 = 1458^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2172853 - 2¹ = 2172851 is a prime.

Together with 2172851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172851) 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, 1086426 + 1086427.

It is an arithmetic number, because the mean of its divisors is an integer number (1086427).

2^2172853 is an apocalyptic number.

It is an amenable number.

2172853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172853 is an equidigital number, since it uses as much as digits as its factorization.

2172853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 2172853 is about 1474.0600394828. The cubic root of 2172853 is about 129.5219721914.

It can be divided in two parts, 2172 and 853, that added together give a square (3025 = 55²).

The spelling of 2172853 in words is "two million, one hundred seventy-two thousand, eight hundred fifty-three".