206546243 has 12 divisors (see below), whose sum is σ = 223934328. Its totient is φ = 189846720.

The previous prime is 206546239. The next prime is 206546281. The reversal of 206546243 is 342645602.

206546243 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 206546243 - 2² = 206546239 is a prime.

It is a super-2 number, since 2×206546243² = 85322700994830098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206546203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28148 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (18661194).

Almost surely, 2^206546243 is an apocalyptic number.

206546243 is a deficient number, since it is larger than the sum of its proper divisors (17388085).

206546243 is an equidigital number, since it uses as much as digits as its factorization.

206546243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 206546243 is about 14371.7167728842. The cubic root of 206546243 is about 591.1156168418.

The spelling of 206546243 in words is "two hundred six million, five hundred forty-six thousand, two hundred forty-three".