16709125 has 8 divisors (see below), whose sum is σ = 20853144. Its totient is φ = 13367200.

The previous prime is 16709107. The next prime is 16709149. The reversal of 16709125 is 52190761.

It can be written as a sum of positive squares in 4 ways, for example, as 2405601 + 14303524 = 1551^2 + 3782^2 .

It is not a de Polignac number, because 16709125 - 2⁹ = 16708613 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 7 ways as a sum of consecutive naturals, for example, 66712 + ... + 66961.

It is an arithmetic number, because the mean of its divisors is an integer number (2606643).

Almost surely, 2^16709125 is an apocalyptic number.

It is an amenable number.

16709125 is a deficient number, since it is larger than the sum of its proper divisors (4144019).

16709125 is an equidigital number, since it uses as much as digits as its factorization.

16709125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133688 (or 133678 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 16709125 is about 4087.6796596602. The cubic root of 16709125 is about 255.6532016757.

Adding to 16709125 its reverse (52190761), we get a palindrome (68899886).

The spelling of 16709125 in words is "sixteen million, seven hundred nine thousand, one hundred twenty-five".