205302001 has 4 divisors (see below), whose sum is σ = 205337332. Its totient is φ = 205266672.

The previous prime is 205301981. The next prime is 205302007. The reversal of 205302001 is 100203502.

205302001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 85377600 + 119924401 = 9240^2 + 10951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205302001 is a prime.

It is a super-2 number, since 2×205302001² = 84297823229208002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205302007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (51334333).

Almost surely, 2^205302001 is an apocalyptic number.

It is an amenable number.

205302001 is a deficient number, since it is larger than the sum of its proper divisors (35331).

205302001 is an equidigital number, since it uses as much as digits as its factorization.

205302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35330.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 205302001 is about 14328.3635143725. The cubic root of 205302001 is about 589.9262581398.

Adding to 205302001 its reverse (100203502), we get a palindrome (305505503).

The spelling of 205302001 in words is "two hundred five million, three hundred two thousand, one".