16447125 has 32 divisors (see below), whose sum is σ = 27855360. Its totient is φ = 8616000.

The previous prime is 16447091. The next prime is 16447157. The reversal of 16447125 is 52174461.

It is not a de Polignac number, because 16447125 - 2⁶ = 16447061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16447092 and 16447101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22516 + ... + 23234.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^16447125 is an apocalyptic number.

16447125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16447125 is a deficient number, since it is larger than the sum of its proper divisors (11408235).

16447125 is an equidigital number, since it uses as much as digits as its factorization.

16447125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 788 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 16447125 is about 4055.5055171951. The cubic root of 16447125 is about 254.3099374397.

The spelling of 16447125 in words is "sixteen million, four hundred forty-seven thousand, one hundred twenty-five".