16938325 has 6 divisors (see below), whose sum is σ = 21003554. Its totient is φ = 13550640.

The previous prime is 16938319. The next prime is 16938331. The reversal of 16938325 is 52383961.

It is an interprime number because it is at equal distance from previous prime (16938319) and next prime (16938331).

It can be written as a sum of positive squares in 3 ways, for example, as 5262436 + 11675889 = 2294^2 + 3417^2 .

It is not a de Polignac number, because 16938325 - 2⁵ = 16938293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338742 + ... + 338791.

Almost surely, 2^16938325 is an apocalyptic number.

It is an amenable number.

16938325 is a deficient number, since it is larger than the sum of its proper divisors (4065229).

16938325 is an equidigital number, since it uses as much as digits as its factorization.

16938325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677543 (or 677538 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 16938325 is about 4115.6196374301. The cubic root of 16938325 is about 256.8168336597.

The spelling of 16938325 in words is "sixteen million, nine hundred thirty-eight thousand, three hundred twenty-five".