16871725 has 12 divisors (see below), whose sum is σ = 22530676. Its totient is φ = 12458880.

The previous prime is 16871711. The next prime is 16871737. The reversal of 16871725 is 52717861.

It can be written as a sum of positive squares in 6 ways, for example, as 2149156 + 14722569 = 1466^2 + 3837^2 .

It is not a de Polignac number, because 16871725 - 2⁷ = 16871597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25632 + ... + 26281.

Almost surely, 2^16871725 is an apocalyptic number.

It is an amenable number.

16871725 is a deficient number, since it is larger than the sum of its proper divisors (5658951).

16871725 is a wasteful number, since it uses less digits than its factorization.

16871725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51936 (or 51931 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 16871725 is about 4107.5205416407. The cubic root of 16871725 is about 256.4797978280.

The spelling of 16871725 in words is "sixteen million, eight hundred seventy-one thousand, seven hundred twenty-five".