16485925 has 6 divisors (see below), whose sum is σ = 20442578. Its totient is φ = 13188720.

The previous prime is 16485919. The next prime is 16485929. The reversal of 16485925 is 52958461.

It can be written as a sum of positive squares in 3 ways, for example, as 4088484 + 12397441 = 2022^2 + 3521^2 .

It is not a de Polignac number, because 16485925 - 2⁷ = 16485797 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 (16485929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329694 + ... + 329743.

Almost surely, 2^16485925 is an apocalyptic number.

It is an amenable number.

16485925 is a deficient number, since it is larger than the sum of its proper divisors (3956653).

16485925 is an equidigital number, since it uses as much as digits as its factorization.

16485925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659447 (or 659442 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 16485925 is about 4060.2863199533. The cubic root of 16485925 is about 254.5097591218.

The spelling of 16485925 in words is "sixteen million, four hundred eighty-five thousand, nine hundred twenty-five".