205293001 has 4 divisors (see below), whose sum is σ = 212372100. Its totient is φ = 198213904.

The previous prime is 205292957. The next prime is 205293017. The reversal of 205293001 is 100392502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95043001 + 110250000 = 9749^2 + 10500^2 .

It is a cyclic number.

It is not a de Polignac number, because 205293001 - 2⁷ = 205292873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205293061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539506 + ... + 3539563.

It is an arithmetic number, because the mean of its divisors is an integer number (53093025).

Almost surely, 2^205293001 is an apocalyptic number.

It is an amenable number.

205293001 is a deficient number, since it is larger than the sum of its proper divisors (7079099).

205293001 is an equidigital number, since it uses as much as digits as its factorization.

205293001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079098.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 205293001 is about 14328.0494485467. The cubic root of 205293001 is about 589.9176376459.

The spelling of 205293001 in words is "two hundred five million, two hundred ninety-three thousand, one".