206071253 has 8 divisors (see below), whose sum is σ = 209156640. Its totient is φ = 203009040.

The previous prime is 206071231. The next prime is 206071273. The reversal of 206071253 is 352170602.

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 206071253 - 2¹² = 206067157 is a prime.

It is a super-3 number, since 3×206071253³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206071273) 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 7 ways as a sum of consecutive naturals, for example, 12551 + ... + 23867.

It is an arithmetic number, because the mean of its divisors is an integer number (26144580).

Almost surely, 2^206071253 is an apocalyptic number.

It is an amenable number.

206071253 is a deficient number, since it is larger than the sum of its proper divisors (3085387).

206071253 is a wasteful number, since it uses less digits than its factorization.

206071253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 206071253 is about 14355.1820956754. The cubic root of 206071253 is about 590.6621437144.

The spelling of 206071253 in words is "two hundred six million, seventy-one thousand, two hundred fifty-three".