206854441 has 2 divisors, whose sum is σ = 206854442. Its totient is φ = 206854440.

The previous prime is 206854429. The next prime is 206854481. The reversal of 206854441 is 144458602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132825625 + 74028816 = 11525^2 + 8604^2 .

It is a cyclic number.

It is not a de Polignac number, because 206854441 - 2⁵ = 206854409 is a prime.

It is a super-2 number, since 2×206854441² = 85577519522844962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206854397 and 206854406.

It is not a weakly prime, because it can be changed into another prime (206854421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103427220 + 103427221.

It is an arithmetic number, because the mean of its divisors is an integer number (103427221).

Almost surely, 2^206854441 is an apocalyptic number.

It is an amenable number.

206854441 is a deficient number, since it is larger than the sum of its proper divisors (1).

206854441 is an equidigital number, since it uses as much as digits as its factorization.

206854441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 206854441 is about 14382.4351554248. The cubic root of 206854441 is about 591.4094818050.

The spelling of 206854441 in words is "two hundred six million, eight hundred fifty-four thousand, four hundred forty-one".