206552213 has 8 divisors (see below), whose sum is σ = 246323328. Its totient is φ = 169347024.

The previous prime is 206552209. The next prime is 206552231. The reversal of 206552213 is 312255602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206552213 - 2² = 206552209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206552233) 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, 641306 + ... + 641627.

It is an arithmetic number, because the mean of its divisors is an integer number (30790416).

Almost surely, 2^206552213 is an apocalyptic number.

206552213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206552213 is a deficient number, since it is larger than the sum of its proper divisors (39771115).

206552213 is a wasteful number, since it uses less digits than its factorization.

206552213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282963.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 206552213 is about 14371.9244709955. The cubic root of 206552213 is about 591.1213119768.

The spelling of 206552213 in words is "two hundred six million, five hundred fifty-two thousand, two hundred thirteen".