205258494 has 32 divisors (see below), whose sum is σ = 479149056. Its totient is φ = 57396960.

The previous prime is 205258483. The next prime is 205258517. The reversal of 205258494 is 494852502.

205258494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50017 + ... + 53964.

It is an arithmetic number, because the mean of its divisors is an integer number (14973408).

Almost surely, 2^205258494 is an apocalyptic number.

205258494 is an abundant number, since it is smaller than the sum of its proper divisors (273890562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205258494 is a wasteful number, since it uses less digits than its factorization.

205258494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104040.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 205258494 is about 14326.8452214715. The cubic root of 205258494 is about 589.8845833797.

The spelling of 205258494 in words is "two hundred five million, two hundred fifty-eight thousand, four hundred ninety-four".