205652 has 6 divisors (see below), whose sum is σ = 359898. Its totient is φ = 102824.

The previous prime is 205651. The next prime is 205657. The reversal of 205652 is 256502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 42436 = 404^2 + 206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25703 + ... + 25710.

It is an arithmetic number, because the mean of its divisors is an integer number (59983).

2²⁰⁵⁶⁵² is an apocalyptic number.

It is an amenable number.

205652 is a deficient number, since it is larger than the sum of its proper divisors (154246).

205652 is a wasteful number, since it uses less digits than its factorization.

205652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51417 (or 51415 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205652 is about 453.4886988669. The cubic root of 205652 is about 59.0261303387.

The spelling of 205652 in words is "two hundred five thousand, six hundred fifty-two".