189475225 has 9 divisors (see below), whose sum is σ = 235034653. Its totient is φ = 151525120.

The previous prime is 189475213. The next prime is 189475249. The reversal of 189475225 is 522574981.

The square root of 189475225 is 13765.

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

189475225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25532809 + 163942416 = 5053^2 + 12804^2 .

It is not a de Polignac number, because 189475225 - 2²¹ = 187378073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67449 + ... + 70201.

Almost surely, 2^189475225 is an apocalyptic number.

189475225 is the 13765-th square number.

189475225 is the 6883-rd centered octagonal number.

It is an amenable number.

189475225 is a deficient number, since it is larger than the sum of its proper divisors (45559428).

189475225 is an frugal number, since it uses more digits than its factorization.

189475225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 2758 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The cubic root of 189475225 is about 574.3599431144.

The spelling of 189475225 in words is "one hundred eighty-nine million, four hundred seventy-five thousand, two hundred twenty-five".