19683925 has 6 divisors (see below), whose sum is σ = 24408098. Its totient is φ = 15747120.

The previous prime is 19683913. The next prime is 19683941. The reversal of 19683925 is 52938691.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 552049 + 19131876 = 743^2 + 4374^2 .

It is not a de Polignac number, because 19683925 - 2⁵ = 19683893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393654 + ... + 393703.

Almost surely, 2^19683925 is an apocalyptic number.

It is an amenable number.

19683925 is a deficient number, since it is larger than the sum of its proper divisors (4724173).

19683925 is an equidigital number, since it uses as much as digits as its factorization.

19683925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787367 (or 787362 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 19683925 is about 4436.6569621732. The cubic root of 19683925 is about 270.0042294719.

The spelling of 19683925 in words is "nineteen million, six hundred eighty-three thousand, nine hundred twenty-five".