189425529 has 6 divisors (see below), whose sum is σ = 273614666. Its totient is φ = 126283680.

The previous prime is 189425519. The next prime is 189425563. The reversal of 189425529 is 925524981.

It is a happy number.

189425529 is a `hidden beast` number, since 1 + 8 + 94 + 2 + 552 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 189117504 + 308025 = 13752^2 + 555^2 .

It is not a de Polignac number, because 189425529 - 2⁹ = 189425017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189425519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10523632 + ... + 10523649.

Almost surely, 2^189425529 is an apocalyptic number.

It is an amenable number.

189425529 is a deficient number, since it is larger than the sum of its proper divisors (84189137).

189425529 is a wasteful number, since it uses less digits than its factorization.

189425529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047287 (or 21047284 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 189425529 is about 13763.1947236098. The cubic root of 189425529 is about 574.3097239058.

The spelling of 189425529 in words is "one hundred eighty-nine million, four hundred twenty-five thousand, five hundred twenty-nine".