16256125 has 16 divisors (see below), whose sum is σ = 20726784. Its totient is φ = 12723600.

The previous prime is 16256113. The next prime is 16256129. The reversal of 16256125 is 52165261.

It is a de Polignac number, because none of the positive numbers 2^k-16256125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16256093 and 16256102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16256129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4492 + ... + 7258.

It is an arithmetic number, because the mean of its divisors is an integer number (1295424).

Almost surely, 2^16256125 is an apocalyptic number.

It is an amenable number.

16256125 is a deficient number, since it is larger than the sum of its proper divisors (4470659).

16256125 is an equidigital number, since it uses as much as digits as its factorization.

16256125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 16256125 is about 4031.8885153238. Note that the first 3 decimals coincide. The cubic root of 16256125 is about 253.3216705542.

It can be divided in two parts, 1625 and 6125, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 16256125 in words is "sixteen million, two hundred fifty-six thousand, one hundred twenty-five".