189750625 has 45 divisors (see below), whose sum is σ = 259175631. Its totient is φ = 138852000.

The previous prime is 189750623. The next prime is 189750637. The reversal of 189750625 is 526057981.

The square root of 189750625 is 13775.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 141919569 + 47831056 = 11913^2 + 6916^2 .

It is not a de Polignac number, because 189750625 - 2¹ = 189750623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189750623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 6543111 + ... + 6543139.

Almost surely, 2^189750625 is an apocalyptic number.

189750625 is the 13775-th square number.

189750625 is the 6888-th centered octagonal number.

It is an amenable number.

189750625 is a deficient number, since it is larger than the sum of its proper divisors (69425006).

189750625 is an frugal number, since it uses more digits than its factorization.

189750625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The cubic root of 189750625 is about 574.6380835295.

The spelling of 189750625 in words is "one hundred eighty-nine million, seven hundred fifty thousand, six hundred twenty-five".