206206513 has 8 divisors (see below), whose sum is σ = 218612480. Its totient is φ = 194160240.

The previous prime is 206206499. The next prime is 206206547. The reversal of 206206513 is 315602602.

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 206206513 - 2⁹ = 206206001 is a prime.

It is a super-2 number, since 2×206206513² = 85042252007238338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206206213) 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 7 ways as a sum of consecutive naturals, for example, 88743 + ... + 91036.

It is an arithmetic number, because the mean of its divisors is an integer number (27326560).

Almost surely, 2^206206513 is an apocalyptic number.

It is an amenable number.

206206513 is a deficient number, since it is larger than the sum of its proper divisors (12405967).

206206513 is a wasteful number, since it uses less digits than its factorization.

206206513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179847.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 206206513 is about 14359.8925135253. The cubic root of 206206513 is about 590.7913473869.

The spelling of 206206513 in words is "two hundred six million, two hundred six thousand, five hundred thirteen".