205525132 has 12 divisors (see below), whose sum is σ = 359794960. Its totient is φ = 102726576.

The previous prime is 205525129. The next prime is 205525139. The reversal of 205525132 is 231525502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205525097 and 205525106.

It is not an unprimeable number, because it can be changed into a prime (205525139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7018 + ... + 21454.

Almost surely, 2^205525132 is an apocalyptic number.

It is an amenable number.

205525132 is a deficient number, since it is larger than the sum of its proper divisors (154269828).

205525132 is a wasteful number, since it uses less digits than its factorization.

205525132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000 (or 17998 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 205525132 is about 14336.1477391941. The cubic root of 205525132 is about 590.1398997940.

The spelling of 205525132 in words is "two hundred five million, five hundred twenty-five thousand, one hundred thirty-two".