206454253 has 8 divisors (see below), whose sum is σ = 208811520. Its totient is φ = 204105120.

The previous prime is 206454197. The next prime is 206454257. The reversal of 206454253 is 352454602.

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 206454253 - 2¹⁷ = 206323181 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 (206454257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59188 + ... + 62578.

It is an arithmetic number, because the mean of its divisors is an integer number (26101440).

Almost surely, 2^206454253 is an apocalyptic number.

It is an amenable number.

206454253 is a deficient number, since it is larger than the sum of its proper divisors (2357267).

206454253 is a wasteful number, since it uses less digits than its factorization.

206454253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 206454253 is about 14368.5160333279. The cubic root of 206454253 is about 591.0278482797.

The spelling of 206454253 in words is "two hundred six million, four hundred fifty-four thousand, two hundred fifty-three".