16000625 has 10 divisors (see below), whose sum is σ = 19995162. Its totient is φ = 12800000.

The previous prime is 16000609. The next prime is 16000627. The reversal of 16000625 is 52600061.

16000625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1308736 + 14691889 = 1144^2 + 3833^2 .

It is a sliding number, since 16000625 = 625 + 16000000 and 1/625 + 1/16000000 = 0.0016000625.

It is not a de Polignac number, because 16000625 - 2⁴ = 16000609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16000597 and 16000606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12176 + ... + 13425.

Almost surely, 2^16000625 is an apocalyptic number.

It is an amenable number.

16000625 is a deficient number, since it is larger than the sum of its proper divisors (3994537).

16000625 is an frugal number, since it uses more digits than its factorization.

16000625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25621 (or 25606 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16000625 is about 4000.0781242371. The cubic root of 16000625 is about 251.9874909807.

Adding to 16000625 its reverse (52600061), we get a palindrome (68600686).

It can be divided in two parts, 16000 and 625, that multiplied together give a 7-th power (10000000 = 10⁷).

The spelling of 16000625 in words is "sixteen million, six hundred twenty-five", and thus it is an aban number.