16425125 has 16 divisors (see below), whose sum is σ = 20717424. Its totient is φ = 13000000.

The previous prime is 16425113. The next prime is 16425163. The reversal of 16425125 is 52152461.

16425125 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 8 ways, for example, as 6584356 + 9840769 = 2566^2 + 3137^2 .

It is not a de Polignac number, because 16425125 - 2⁴ = 16425109 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 16425094 and 16425103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11975 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (1294839).

Almost surely, 2^16425125 is an apocalyptic number.

It is an amenable number.

16425125 is a deficient number, since it is larger than the sum of its proper divisors (4292299).

16425125 is a wasteful number, since it uses less digits than its factorization.

16425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1407 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 16425125 is about 4052.7922473278. The cubic root of 16425125 is about 254.1964968423.

Adding to 16425125 its reverse (52152461), we get a palindrome (68577586).

The spelling of 16425125 in words is "sixteen million, four hundred twenty-five thousand, one hundred twenty-five".