206297253 has 16 divisors (see below), whose sum is σ = 311394240. Its totient is φ = 134935632.

The previous prime is 206297251. The next prime is 206297263. The reversal of 206297253 is 352792602.

206297253 is a `hidden beast` number, since 2 + 0 + 629 + 7 + 25 + 3 = 666.

206297253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206297253 - 2¹ = 206297251 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206297251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70651 + ... + 73512.

It is an arithmetic number, because the mean of its divisors is an integer number (19462140).

Almost surely, 2^206297253 is an apocalyptic number.

It is an amenable number.

206297253 is a deficient number, since it is larger than the sum of its proper divisors (105096987).

206297253 is a wasteful number, since it uses less digits than its factorization.

206297253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144225 (or 144219 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 206297253 is about 14363.0516604237. The cubic root of 206297253 is about 590.8779927998.

The spelling of 206297253 in words is "two hundred six million, two hundred ninety-seven thousand, two hundred fifty-three".