16936825 has 6 divisors (see below), whose sum is σ = 21001694. Its totient is φ = 13549440.

The previous prime is 16936817. The next prime is 16936853. The reversal of 16936825 is 52863961.

It can be written as a sum of positive squares in 3 ways, for example, as 5861241 + 11075584 = 2421^2 + 3328^2 .

It is not a de Polignac number, because 16936825 - 2³ = 16936817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 338712 + ... + 338761.

Almost surely, 2^16936825 is an apocalyptic number.

It is an amenable number.

16936825 is a deficient number, since it is larger than the sum of its proper divisors (4064869).

16936825 is an equidigital number, since it uses as much as digits as its factorization.

16936825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677483 (or 677478 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 16936825 is about 4115.4374008117. The cubic root of 16936825 is about 256.8092524964.

The spelling of 16936825 in words is "sixteen million, nine hundred thirty-six thousand, eight hundred twenty-five".