206725633 has 8 divisors (see below), whose sum is σ = 216021888. Its totient is φ = 197455104.

The previous prime is 206725621. The next prime is 206725637. The reversal of 206725633 is 336527602.

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 206725633 - 2¹⁷ = 206594561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206725637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11041 + ... + 23137.

It is an arithmetic number, because the mean of its divisors is an integer number (27002736).

Almost surely, 2^206725633 is an apocalyptic number.

206725633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206725633 is a deficient number, since it is larger than the sum of its proper divisors (9296255).

206725633 is a wasteful number, since it uses less digits than its factorization.

206725633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 206725633 is about 14377.9564959698. The cubic root of 206725633 is about 591.2866996694.

The spelling of 206725633 in words is "two hundred six million, seven hundred twenty-five thousand, six hundred thirty-three".