206513301 has 4 divisors (see below), whose sum is σ = 275351072. Its totient is φ = 137675532.

The previous prime is 206513287. The next prime is 206513341. The reversal of 206513301 is 103315602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 206513301 - 2⁷ = 206513173 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 (206513341) 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, 34418881 + ... + 34418886.

It is an arithmetic number, because the mean of its divisors is an integer number (68837768).

Almost surely, 2^206513301 is an apocalyptic number.

It is an amenable number.

206513301 is a deficient number, since it is larger than the sum of its proper divisors (68837771).

206513301 is an equidigital number, since it uses as much as digits as its factorization.

206513301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68837770.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 206513301 is about 14370.5706567276. The cubic root of 206513301 is about 591.0841895519.

Adding to 206513301 its reverse (103315602), we get a palindrome (309828903).

The spelling of 206513301 in words is "two hundred six million, five hundred thirteen thousand, three hundred one".