16803925 has 12 divisors (see below), whose sum is σ = 21132576. Its totient is φ = 13252400.

The previous prime is 16803901. The next prime is 16803929. The reversal of 16803925 is 52930861.

It is not a de Polignac number, because 16803925 - 2⁵ = 16803893 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 (16803929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2959 + ... + 6508.

It is an arithmetic number, because the mean of its divisors is an integer number (1761048).

Almost surely, 2^16803925 is an apocalyptic number.

It is an amenable number.

16803925 is a deficient number, since it is larger than the sum of its proper divisors (4328651).

16803925 is an equidigital number, since it uses as much as digits as its factorization.

16803925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 16803925 is about 4099.2590793947. The cubic root of 16803925 is about 256.1357769731.

The spelling of 16803925 in words is "sixteen million, eight hundred three thousand, nine hundred twenty-five".