205361193 has 8 divisors (see below), whose sum is σ = 274605408. Its totient is φ = 136512224.

The previous prime is 205361131. The next prime is 205361243. The reversal of 205361193 is 391163502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205361193 - 2⁸ = 205360937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205361193.

It is not an unprimeable number, because it can be changed into a prime (205361113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97596 + ... + 99677.

It is an arithmetic number, because the mean of its divisors is an integer number (34325676).

Almost surely, 2^205361193 is an apocalyptic number.

It is an amenable number.

205361193 is a deficient number, since it is larger than the sum of its proper divisors (69244215).

205361193 is a wasteful number, since it uses less digits than its factorization.

205361193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197623.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 205361193 is about 14330.4289189124. The cubic root of 205361193 is about 589.9829478936.

The spelling of 205361193 in words is "two hundred five million, three hundred sixty-one thousand, one hundred ninety-three".