206426041 has 4 divisors (see below), whose sum is σ = 206464500. Its totient is φ = 206387584.

The previous prime is 206426029. The next prime is 206426047. The reversal of 206426041 is 140624602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140624602 = 2 ⋅70312301.

It can be written as a sum of positive squares in 2 ways, for example, as 87703225 + 118722816 = 9365^2 + 10896^2 .

It is a cyclic number.

It is not a de Polignac number, because 206426041 - 2⁷ = 206425913 is a prime.

It is a super-2 number, since 2×206426041² = 85223420805867362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206425997 and 206426015.

It is not an unprimeable number, because it can be changed into a prime (206426047) 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 3 ways as a sum of consecutive naturals, for example, 9556 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (51616125).

Almost surely, 2^206426041 is an apocalyptic number.

It is an amenable number.

206426041 is a deficient number, since it is larger than the sum of its proper divisors (38459).

206426041 is an equidigital number, since it uses as much as digits as its factorization.

206426041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38458.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 206426041 is about 14367.5342700131. The cubic root of 206426041 is about 591.0009257097. Note that the first 3 decimals are identical.

The spelling of 206426041 in words is "two hundred six million, four hundred twenty-six thousand, forty-one".