205075005 has 16 divisors (see below), whose sum is σ = 328994880. Its totient is φ = 109081728.

The previous prime is 205075001. The next prime is 205075069. The reversal of 205075005 is 500570502.

205075005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205075005 - 2² = 205075001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205075001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12352 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (20562180).

Almost surely, 2^205075005 is an apocalyptic number.

It is an amenable number.

205075005 is a deficient number, since it is larger than the sum of its proper divisors (123919875).

205075005 is a wasteful number, since it uses less digits than its factorization.

205075005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36460.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 205075005 is about 14320.4401119519. The cubic root of 205075005 is about 589.7087569557.

The spelling of 205075005 in words is "two hundred five million, seventy-five thousand, five".