16545925 has 12 divisors (see below), whose sum is σ = 22382496. Its totient is φ = 12033200.

The previous prime is 16545923. The next prime is 16545929. The reversal of 16545925 is 52954561.

It is not a de Polignac number, because 16545925 - 2¹ = 16545923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545923) 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 11 ways as a sum of consecutive naturals, for example, 29809 + ... + 30358.

It is an arithmetic number, because the mean of its divisors is an integer number (1865208).

Almost surely, 2^16545925 is an apocalyptic number.

It is an amenable number.

16545925 is a deficient number, since it is larger than the sum of its proper divisors (5836571).

16545925 is a wasteful number, since it uses less digits than its factorization.

16545925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60188 (or 60183 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 16545925 is about 4067.6682509762. The cubic root of 16545925 is about 254.8181453626.

The spelling of 16545925 in words is "sixteen million, five hundred forty-five thousand, nine hundred twenty-five".