1938825625 has 20 divisors (see below), whose sum is σ = 2643016464. Its totient is φ = 1410050000.

The previous prime is 1938825611. The next prime is 1938825643. The reversal of 1938825625 is 5265288391.

It is a happy number.

It is not a de Polignac number, because 1938825625 - 2¹¹ = 1938823577 is a prime.

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 19 ways as a sum of consecutive naturals, for example, 134131 + ... + 147880.

Almost surely, 2^1938825625 is an apocalyptic number.

It is an amenable number.

1938825625 is a deficient number, since it is larger than the sum of its proper divisors (704190839).

1938825625 is an equidigital number, since it uses as much as digits as its factorization.

1938825625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282042 (or 282027 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 1938825625 is about 44032.0976674971. The cubic root of 1938825625 is about 1246.9419916352.

The spelling of 1938825625 in words is "one billion, nine hundred thirty-eight million, eight hundred twenty-five thousand, six hundred twenty-five".