205750542 has 8 divisors (see below), whose sum is σ = 411501096. Its totient is φ = 68583512.

The previous prime is 205750481. The next prime is 205750561. The reversal of 205750542 is 245057502.

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

205750542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17145873 + ... + 17145884.

It is an arithmetic number, because the mean of its divisors is an integer number (51437637).

Almost surely, 2^205750542 is an apocalyptic number.

205750542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205750542 is a wasteful number, since it uses less digits than its factorization.

205750542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34291762.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 205750542 is about 14344.0071807009. The cubic root of 205750542 is about 590.3555665788.

The spelling of 205750542 in words is "two hundred five million, seven hundred fifty thousand, five hundred forty-two".