189275625 has 240 divisors, whose sum is σ = 467850240. Its totient is φ = 71280000.

The previous prime is 189275621. The next prime is 189275633. The reversal of 189275625 is 526572981.

189275625 is a `hidden beast` number, since 1 + 89 + 2 + 7 + 562 + 5 = 666.

189275625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189275625 - 2² = 189275621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189275621) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8229364 + ... + 8229386.

It is an arithmetic number, because the mean of its divisors is an integer number (1949376).

Almost surely, 2^189275625 is an apocalyptic number.

189275625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189275625 is an abundant number, since it is smaller than the sum of its proper divisors (278574615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189275625 is a wasteful number, since it uses less digits than its factorization.

189275625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 68 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 189275625 is about 13757.7478171393. The cubic root of 189275625 is about 574.1581884623.

The spelling of 189275625 in words is "one hundred eighty-nine million, two hundred seventy-five thousand, six hundred twenty-five".