206152349 has 4 divisors (see below), whose sum is σ = 222010236. Its totient is φ = 190294464.

The previous prime is 206152343. The next prime is 206152357. The reversal of 206152349 is 943251602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28783225 + 177369124 = 5365^2 + 13318^2 .

It is a cyclic number.

It is not a de Polignac number, because 206152349 - 2¹² = 206148253 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 (206152343) 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, 7928924 + ... + 7928949.

It is an arithmetic number, because the mean of its divisors is an integer number (55502559).

Almost surely, 2^206152349 is an apocalyptic number.

It is an amenable number.

206152349 is a deficient number, since it is larger than the sum of its proper divisors (15857887).

206152349 is a wasteful number, since it uses less digits than its factorization.

206152349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857886.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 206152349 is about 14358.0064424000. The cubic root of 206152349 is about 590.7396153889.

The spelling of 206152349 in words is "two hundred six million, one hundred fifty-two thousand, three hundred forty-nine".