16801725 has 24 divisors (see below), whose sum is σ = 28257120. Its totient is φ = 8806720.

The previous prime is 16801723. The next prime is 16801739. The reversal of 16801725 is 52710861.

It is not a de Polignac number, because 16801725 - 2¹ = 16801723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16801692 and 16801701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16801723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2527 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (1177380).

Almost surely, 2^16801725 is an apocalyptic number.

16801725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16801725 is a deficient number, since it is larger than the sum of its proper divisors (11455395).

16801725 is a wasteful number, since it uses less digits than its factorization.

16801725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869 (or 3864 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 16801725 is about 4098.9907294357. The cubic root of 16801725 is about 256.1245985668.

The spelling of 16801725 in words is "sixteen million, eight hundred one thousand, seven hundred twenty-five".