16853425 has 12 divisors (see below), whose sum is σ = 20964060. Its totient is φ = 13440320.

The previous prime is 16853423. The next prime is 16853461. The reversal of 16853425 is 52435861.

It can be written as a sum of positive squares in 6 ways, for example, as 1557504 + 15295921 = 1248^2 + 3911^2 .

It is not a de Polignac number, because 16853425 - 2¹ = 16853423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16853423) 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, 8859 + ... + 10591.

It is an arithmetic number, because the mean of its divisors is an integer number (1747005).

Almost surely, 2^16853425 is an apocalyptic number.

It is an amenable number.

16853425 is a deficient number, since it is larger than the sum of its proper divisors (4110635).

16853425 is a wasteful number, since it uses less digits than its factorization.

16853425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2127 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 16853425 is about 4105.2923160233. The cubic root of 16853425 is about 256.3870335870.

The spelling of 16853425 in words is "sixteen million, eight hundred fifty-three thousand, four hundred twenty-five".