16725803 has 4 divisors (see below), whose sum is σ = 16746048. Its totient is φ = 16705560.

The previous prime is 16725799. The next prime is 16725809. The reversal of 16725803 is 30852761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16725803 - 2² = 16725799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16725803.

It is not an unprimeable number, because it can be changed into a prime (16725809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8828 + ... + 10553.

It is an arithmetic number, because the mean of its divisors is an integer number (4186512).

Almost surely, 2^16725803 is an apocalyptic number.

16725803 is a deficient number, since it is larger than the sum of its proper divisors (20245).

16725803 is an equidigital number, since it uses as much as digits as its factorization.

16725803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16725803 is about 4089.7191835137. The cubic root of 16725803 is about 255.7382323854.

The spelling of 16725803 in words is "sixteen million, seven hundred twenty-five thousand, eight hundred three".