16871473 has 2 divisors, whose sum is σ = 16871474. Its totient is φ = 16871472.

The previous prime is 16871453. The next prime is 16871483. The reversal of 16871473 is 37417861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16834609 + 36864 = 4103^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 16871473 - 2¹⁷ = 16740401 is a prime.

It is not a weakly prime, because it can be changed into another prime (16871423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8435736 + 8435737.

It is an arithmetic number, because the mean of its divisors is an integer number (8435737).

Almost surely, 2^16871473 is an apocalyptic number.

It is an amenable number.

16871473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16871473 is an equidigital number, since it uses as much as digits as its factorization.

16871473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 16871473 is about 4107.4898660861. The cubic root of 16871473 is about 256.4785208744.

It can be divided in two parts, 1687 and 1473, that added together give a triangular number (3160 = T₇₉).

The spelling of 16871473 in words is "sixteen million, eight hundred seventy-one thousand, four hundred seventy-three".