2153773 has 2 divisors, whose sum is σ = 2153774. Its totient is φ = 2153772.

The previous prime is 2153737. The next prime is 2153779. The reversal of 2153773 is 3773512.

2153773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2153737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 88804 = 1437^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153773 - 2¹⁷ = 2022701 is a prime.

2153773 is a lucky number.

It is equal to p₁₅₉₅₀₈ and since 2153773 and 159508 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153779) 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, 1076886 + 1076887.

It is an arithmetic number, because the mean of its divisors is an integer number (1076887).

2^2153773 is an apocalyptic number.

It is an amenable number.

2153773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153773 is an equidigital number, since it uses as much as digits as its factorization.

2153773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 28.

The square root of 2153773 is about 1467.5738482271. The cubic root of 2153773 is about 129.1417427225.

It can be divided in two parts, 2153 and 773, that added together give a triangular number (2926 = T₇₆).

The spelling of 2153773 in words is "two million, one hundred fifty-three thousand, seven hundred seventy-three".