2159473 has 2 divisors, whose sum is σ = 2159474. Its totient is φ = 2159472.

The previous prime is 2159453. The next prime is 2159497. The reversal of 2159473 is 3749512.

2159473 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., 1940449 + 219024 = 1393^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159473 - 2¹⁷ = 2028401 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 5⁵ + 9² + 4² + 7² + 3¹⁰ .

It is equal to p₁₅₉₉₂₅ and since 2159473 and 159925 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2159453) 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, 1079736 + 1079737.

It is an arithmetic number, because the mean of its divisors is an integer number (1079737).

2^2159473 is an apocalyptic number.

It is an amenable number.

2159473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159473 is an equidigital number, since it uses as much as digits as its factorization.

2159473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 2159473 is about 1469.5145456919. The cubic root of 2159473 is about 129.2555677035.

The spelling of 2159473 in words is "two million, one hundred fifty-nine thousand, four hundred seventy-three".