16495625 has 10 divisors (see below), whose sum is σ = 20613714. Its totient is φ = 13196000.

The previous prime is 16495621. The next prime is 16495639. The reversal of 16495625 is 52659461.

It can be written as a sum of positive squares in 5 ways, for example, as 6990736 + 9504889 = 2644^2 + 3083^2 .

It is not a de Polignac number, because 16495625 - 2² = 16495621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16495621) 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 9 ways as a sum of consecutive naturals, for example, 12572 + ... + 13821.

Almost surely, 2^16495625 is an apocalyptic number.

It is an amenable number.

16495625 is a deficient number, since it is larger than the sum of its proper divisors (4118089).

16495625 is an frugal number, since it uses more digits than its factorization.

16495625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26413 (or 26398 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 16495625 is about 4061.4806413425. The cubic root of 16495625 is about 254.5596655447.

The spelling of 16495625 in words is "sixteen million, four hundred ninety-five thousand, six hundred twenty-five".