205652063 has 4 divisors (see below), whose sum is σ = 205902768. Its totient is φ = 205401360.

The previous prime is 205652017. The next prime is 205652071. The reversal of 205652063 is 360256502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205652063 - 2²⁶ = 138543199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205652093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124118 + ... + 125763.

It is an arithmetic number, because the mean of its divisors is an integer number (51475692).

Almost surely, 2^205652063 is an apocalyptic number.

205652063 is a deficient number, since it is larger than the sum of its proper divisors (250705).

205652063 is an equidigital number, since it uses as much as digits as its factorization.

205652063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250704.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 205652063 is about 14340.5740122214. The cubic root of 205652063 is about 590.2613636615.

The spelling of 205652063 in words is "two hundred five million, six hundred fifty-two thousand, sixty-three".