206272513 has 4 divisors (see below), whose sum is σ = 208757808. Its totient is φ = 203787220.

The previous prime is 206272489. The next prime is 206272589. The reversal of 206272513 is 315272602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 315272602 = 2 ⋅157636301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206272513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206272813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242523 + ... + 1242688.

It is an arithmetic number, because the mean of its divisors is an integer number (52189452).

Almost surely, 2^206272513 is an apocalyptic number.

It is an amenable number.

206272513 is a deficient number, since it is larger than the sum of its proper divisors (2485295).

206272513 is an equidigital number, since it uses as much as digits as its factorization.

206272513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485294.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 206272513 is about 14362.1903970112. The cubic root of 206272513 is about 590.8543716969.

The spelling of 206272513 in words is "two hundred six million, two hundred seventy-two thousand, five hundred thirteen".