188875825 has 12 divisors (see below), whose sum is σ = 238047388. Its totient is φ = 148622400.

The previous prime is 188875769. The next prime is 188875829. The reversal of 188875825 is 528578881.

It can be written as a sum of positive squares in 6 ways, for example, as 15374241 + 173501584 = 3921^2 + 13172^2 .

It is not a de Polignac number, because 188875825 - 2²⁵ = 155321393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188875829) 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, 60402 + ... + 63451.

Almost surely, 2^188875825 is an apocalyptic number.

It is an amenable number.

188875825 is a deficient number, since it is larger than the sum of its proper divisors (49171563).

188875825 is a wasteful number, since it uses less digits than its factorization.

188875825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123924 (or 123919 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 52.

The square root of 188875825 is about 13743.2101417391. The cubic root of 188875825 is about 573.7536456940.

The spelling of 188875825 in words is "one hundred eighty-eight million, eight hundred seventy-five thousand, eight hundred twenty-five".