205707053 has 8 divisors (see below), whose sum is σ = 216672000. Its totient is φ = 194755968.

The previous prime is 205707049. The next prime is 205707071. The reversal of 205707053 is 350707502.

205707053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 205707053 - 2² = 205707049 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 (205707023) 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, 43325 + ... + 47837.

It is an arithmetic number, because the mean of its divisors is an integer number (27084000).

Almost surely, 2^205707053 is an apocalyptic number.

It is an amenable number.

205707053 is a deficient number, since it is larger than the sum of its proper divisors (10964947).

205707053 is a wasteful number, since it uses less digits than its factorization.

205707053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 205707053 is about 14342.4911713412. The cubic root of 205707053 is about 590.3139696331.

The spelling of 205707053 in words is "two hundred five million, seven hundred seven thousand, fifty-three".